CURRICULUM VITAE. 1. Ph.D., 1993 S.V. University, Tirupati Awarded - 2. M.Phil., 1986 S.V. University, Tirupati First -

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1 CURRICULUM VITAE NAME : Prof. A. Padmaja AGE & DATE OF BIRTH : PRESENT DESIGNATION : Professor EDUCATIONAL QUALIFICATIONS : S.No Degree Year of University / Institution Class / Grade Remarks Award Distinctions 1. Ph.D., 1993 S.V. University, Tirupati Awarded - 2. M.Phil., 1986 S.V. University, Tirupati First - 3. M.Sc., 1984 S.V. University, Tirupati First - 4. B.Sc., 1982 S.V. University, Tirupati First - 5. Intermediate 1979 Board of Intermediate Education, Hyderabad 6. S.S.C., 1977 School of Secondary Education, Hyderabad First - First - TEACHING EXPERIENCE : 23 years Under Graduate Teaching Experience : B.Tech., Class work from 2006 to 2013 Post Graduate Teaching Experience : M.Sc. Theory Classes in Organic Chemistry one hour per week since 1993 as CSIR-SRF. M.Sc., Class work from 1994 to 2006 as Micro-Analyst. M.Sc., Class work from 2007 to 2013 as Associate Professor. M.Sc., Class work from 2013 to till to date as Professor.

2 RESEARCH GUIDANCE AND SUPERVISION : From till to-date. Research Supervision Ph.D., Degrees Awarded : 9 M.Phil., Degrees Awarded : 6 Students Working for Ph.D., Degree : 8 Students Working for M.Phil., Degree : 1 Papers published : 153 Papers presented at Conferences / Symposia : 72 (National / International) M.Phil Degrees Awarded : 6 (Six) S. No. Name of the candidate Title 1. T. Payani (Full Time) Synthesis of oxazolines and thiazolines 2. C. Rajashekar (Full Time) A study on the synthesis of a new class of heterocyclic compounds 3. K. Syamaiah (Part-Time) A study on the synthesis of five membered heterocyclic compounds 4. S. Durgamma (Full Time) Synthesis and characterization of pharmacologically important nitrogen heterocycles 5. D. Pedamalakondaiah (Part-Time) A study on some nitrogen containing heterocycles 6. G. Yamini (Full Time) Synthesis of biologically potent heterocycles Year of award Part-Time ongoing - 1 (One) S.No. Name of Candidate Date of Registration 1. G. Anil kumar

3 Ph. D. Degrees Awarded : 9 (Nine) S. No. Name of the student Title of the Thesis 1. T. Payani (Full Time) Michael adducts-source for different heterocyclic systems 2. A. Muralikrishna (Full Time) A study on biologically potent heterocycles 3. C. Rajasekhar (Full Time) A study on the synthesis of a new class of heterocyclic compounds 4. R. Munikishore (Full Time) Isolation and structure elucidation of some naturally occurring oxygen heterocycles 5. G. Mallikarjuna Reddy (Full Time) Synthesis and bioassay of novel heterocycles 6. G. Layanya (Full Time) Michael acceptors-source for different heterocycles 7. G. Sravya (Full Time) Synthesis of a new class of heterocyclic compounds 8. K. Syamaiah (Part Time) A study on the synthesis of fivemembered heterocyclic compounds 9. S. Durgamma (Full Time) Synthesis and characterization of pharmacologically important nitrogen heterocycles Year of award Synopsis submitted : 2 (Two) S.No. Name of Candidate Date of Submission 1. D. Pedamala Kondaiah M. Madhu Sekhar

4 Full-time ongoing : 3 (Three) S.No. Name of Candidate Date of Registration 1. U. Nagarjuna T. Sreenivasulu G. Yamini Part-Time ongoing : 3 (Three) S.No. Name of Candidate Date of Registration 1. S. Pulla Reddy S. Jyothi M. Phillip RESEARCH PROJECTS : (ANNEXURE I) Completed Research Projects : 6 RESEARCH PUBLICATIONS (ANNEXURE II) No. of Papers published in National Journals : 37 International Journals : 116 No. of Seminars / Conferences / Workshops : (ANNEXURE III) No. of Seminars/Conferences/workshops Organized (Co-Convenor) : 01 No. of Seminars/Conferences/workshops Attended (International) : 14 No. of Seminars/Conferences/workshops Attended (National) : 58 No. of Seminars/Conferences/workshops in which served as Resource person : 08

5 Awards Received : Project Assistant, UGC Scheme ( ) Senior Research Fellow (SRF) CSIR, New Delhi ( ) Professional Experience (Membership in Professional Bodies): Member in Association of Chemistry Teachers (ACT) Life time member in Chemical Research Society of India (CRSI) Life time member in Indian Science Congress Association (ISCA) Administrative Experience : Member-Purchase Committee at S. V. U. W. Hostel ( ). Member in different committees appointed by S. V. University, Tirupati. Member, Board of studies- D.R.W. College, Gudur. Member, Board of studies- S. V. University, Tirupati (2016-till to date). Co-ordinator for self-supporting M.Sc., Analytical Chemistry (2014-till to date). Member, Doctoral Committee, VIT, Vellore. Member, Anti-ragging Committee, S. V. U. Women s Hostel. Member, Verification and Condemnation of Equipment and Furniture Committee, S. V. University, Tirupati, Member, Inspection Committee, S. V. University, Tirupati. Other Experience/Expertise : Distance Education Class Work (Theory and Practicals). Prepared materials for M.Sc., (DDE) Course in the form of Books. Paper Setter and Examiner for B. Tech., /M.Sc., / M.Phil., / Ph.D., Reviewing Activity : Indian Journal of Chemistry Medicinal Chemistry Research

6 Research on Chemical Intermediates Journal of Heterocyclic Chemistry Journal of Brazilian chemical society European Journal of Medicinal Chemistry

7 Annexure-I Completed Research Projects : 6 (Six) Name of the Faculty Project Title Funding Agency Year Amount Prof. A. Padmaja Prof. A. Padmaja Prof. A. Padmaja Prof. A. Padmaja (Co-Investigator) Study on biologically potent heterocycles A study on new class of bis heterocycles of biological significance Synthesis and bioassay of a new class of five membered bis heterocycles Natural antioxidants from some Indian medicinal plants UGC ,00,000 UGC ,45,800 CSIR ,14,000 UGC ,00,000 Prof. A. Padmaja (Co-Investigator) Synthesis and pharmacological assay of amido and sulfonamido heteroaromatic compounds DAE BRNS ,63,500 Prof. A. Padmaja (Co-Investigator) Synthetic Approaches to bis spiro Compounds of Biological significance CSIR ,00.000

8 Annexure-II LIST OF RESEARCH PUBLICATIONS 1. D. Bhaskar Reddy, A. Padmaja, T. Seshamma, M. V. Ramana Reddy, Studies on some bis (4-aryl-2-pyrazolin-3-yl)ketones Indian J. Chem., 27B, 963 (1988). 2. D. Bhaskar Reddy, P. Sudhakara Reddy, T. Seshamma, A. Padmaja, A facile method for cyclopropanation of diaroylethenes Indian J. Chem., 27B, 658 (1988). 3. M.V. Ramana Reddy, D. Bhaskar Reddy, P.V. Ramana Reddy, S. Vijayalakshmi, A. Padmaja, A convenient method for the synthesis of mono- and bis- (methoxycarbonylvinyl sulfones) Sulfur Lett., 10, 211 (1990). 4. D. Bhaskar Reddy, K. Radhakrishna Murthy, T. Seshamma, B. Seenaiah, A. Padmaja, -Arylsulfonylchalcones as synthons for 2-pyrazolines Sulfur Lett., 12, 73 (1990). 5. D. Bhaskar Reddy, T. Seshamma, A. Padmaja, T. K. K. Reddy, A. Rajasekhar, Antimicrobial activity of some new 3-aroyl-4-aryl-2-pyrazolines and bis (4-aryl-2- pyrazol- in-3-yl-ketones) Indian J. Microbiol., 29, 355 (1989). 6. D. Bhaskar Reddy, V. Padmavathi, A. Padmaja, Enamines of 1,1-disubstituted 2,6- diarylcyclohexanones Indian J. Heterocycl. Chem., 2, 229 (1993). 7. D. Bhaskar Reddy, V. Padmavathi, B. Seenaiah, A. Padmaja, Synthesis of some sulfur containing spiropyrimidinetriones, pyrazolidinediones and Isoxazolidinediones Heteroatom Chem., 4, 55 (1993). 8. D. Bhaskar Reddy, B. Seenaiah, A. Padmaja, P.V. Ramana Reddy, Synthesis of some new bis [1-(2-aroyl-3-aryl)cyclopropylcarbonyl]benzenes and pyridines under phase transfer catalysis (PTC) method Collect. Czech. Chem. Commun., 58, 1437 (1993). 9. D. Bhaskar Reddy, A. Padmaja, M. Muralidhar Reddy, K. Jayantha Rao, M. Vani, Toxicity evaluation of some new (2-pyrazolyl)ketones and sulfones J. Ecotxicol. Environ. Monit., 3, 87 (1993). 10. D. Bhaskar Reddy, A. Padmaja, P.V. Ramana Reddy, B. Seenaiah, Synthesis and reactivity of some new mono- and bis(2-pyrazolyl) sulfones Sulfur Lett., 16, 227 (1993).

9 11. D. Bhaskar Reddy, M. Muralidhar Reddy, P.V. Ramana Reddy, A. Padmaja, Polycyclicpolythia compounds: Thiochromanone and isothiochromanone as potential synthon for the synthesis of D-homo-6,11- and 7,11-dithiagona-pentaen-17a and 18aones Indian J. Chem., 33B, 62 (1994). 12. D. Bhaskar Reddy, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of some enaminoketones and esters of bis (2-pyrazolyl) ketones and sulfones J. Indian Chem. Soc., 71, 259 (1994). 13. D. B. Reddy, A. Padmaja, V. Padmavathi, A concise and efficient method for 2- pyrazolines Indian J. Chem., 34B, 811 (1995). 14. D. Bhaskar Reddy, A. Padmaja, M. Muralidhar Reddy, P.V. Ramana Reddy, Polycyclicpolythia compounds: Benzothiophen-3-one as potential synthon for the synthesis of 3,4-dihydro-2H,5H-thiopyrano [2,3 :4,5]thiopyrano[3,2-b]benzothiophen-4-onepart II Indian J. Chem., 34B, 427 (1995). 15. D. Bhaskar Reddy, G. V. Bhaskar Reddy, A. Padmaja, N. Subba Reddy, Pyrazolylsulfones as precursors for the synthesis of cyclopropyl sulfones Indian J. Heterocycl. Chem., 4, 179 (1995). 16. D. Bhaskar Reddy, B. Seenaiah, A. Padmaja, M. Muralidhar Reddy, Toxicity and antimicrobial activity of some new bis (cyclopropyl) benzenes and pyridines J. Ecotoxicol. Environ. Monit., 5, 185 (1995). 17. D. Bhaskar Reddy, K. Ramachandra Reddy, A. Padmaja, Carbenoid addition to, ethylenic sulfones under PTC-A stereospecific synthesis Indian J. Chem., 36B, 608 (1997). 18. D. B. Reddy, N. Chandrasekhar Babu, V. Padmavathi, A. Padmaja, A simple strategy for styrylsulfonyl ethynylogues and 1,4-diarylbut-1-en-3-ynes Tetrahedron, 53, (1997). 19. A. Padmaja, K. Ramachandra Reddy, V. Padmavathi, D. B. Reddy, Cyclopropanation of phenyl styryl sulfones with phenacyl sulfonium ylides under Phase-Transfer catalysis Collect. Czech. Chem. Commun., 63, 835 (1998). 20. V. Padmavathi, A. V. Bhaskar Reddy, R. P. Sumathi, A. Padmaja, D. B. Reddy, Sulfonyl pyrazoles and isoxazoles: Cycloaddition of nitrile imines and nitrile oxides to aryl styryl sulfones Indian J. Chem., 37B, 1286 (1998).

10 21. D. B. Reddy, M. V. Ramana Reddy, A. Padmaja, V. Padmavathi, Dimehtyl-2,6-diaryl- 4-oxo-cyclo-hexane-1,1-dicarboxylates as precursors for the synthesis of tetrahydro[4,5]benzothieno[3,2-d][1,2,3]-selena/thiadiazole dicarboxylates and tetrahydro- 4H-thiochromene[4,3-d][1,2,3]selena/thiadiazole dicarboxylates-part-v Indian J. Heterocycl. Chem., 7, 259 (1998). 22. D. B. Reddy, M. V. Ramana Reddy, A. Padmaja, V. Padmavathi, Synthesis of spirotetrahydro-benzothieno-1,2,3-selena/ thiadiazoles and spiro-tetrah drothio-chromeno- 1,2,3-selena/ thiadiazoles Phosphorous, Sulfur & Silicon, 141, 191 (1998). 23. D. B. Reddy, M. V. Ramana Reddy, A. Padmaja, Enamines of cyclohexanone dicarbodylates and spiro pyrimidinetrione, thioxopyrimidinedione, pyrazolidinedione and isoxazolidinedione and derivatives of spiropyrazolidinedione and derivatives of spiropyrazolidinedione and isoxazolinedione Indian J. Heterocycl. Chem., 7, 253 (1998). 24. V. Padmavathi, A. Padmaja, D. B. Reddy, Selena and thiadiazole fused heterocycles Indian J. Chem., 38B, 308 (1999). 25. D. Bhaskar Reddy, A. Somasekhar Reddy, A. Padmaja, Synthesis of some spiro piperidino-1,2,4-trizolidines and aziridines Heteroatom Chem., 10, 313 (1999). 26. D. B. Reddy, A. Balaiah, V. Padmavathi, A. Padmaja, Selena and thiadiazoles fused polycyclicpolythia compounds-part-iii Heterocycl. Commun., 5, 285 (1999). 27. D. Bhaskar Reddy, A. Somasekhar Reddy, A. Padmaja, Synthesis of novel spiro tetrahydrothia pyrano isoxazolines and pyrazolines Synth. Commun., 29, 4433 (1999). 28. A. Padmaja, K. Ramachandra Reddy, N. Subba Reddy, D. Bhaskar Reddy, Phase transfer catalyzed cyclopropanation of trans styryl aryl sulfones with dimethyl sulfoxonium methylide Phosphorous, Sulfur & Silicon, 152, 91 (1999). 29. V. Padmavathi, K. Sharmila, A. Padmaja, D. B. Reddy, An efficient synthesis of 6,8- diarylcarbazoles via Fischer Indole cyclizations, Heterocycl. Commun., 5, 451 (1999). 30. D. Bhaskar Reddy, A. Somasekhar Reddy, M. Bavaji, A. Padmaja, Antimicrobial activity of some 6-hetera cyclohexenone [3,4-d] [1,2,3] selenadiazoles and thiadiazoles Indian J. Microbiol., 39, 189 (1999).

11 31. V. Padmavathi, R. P. Sumathi, A. Balaiah, A. Padmaja, D. B. Reddy, Phenacyl E- styrylsulfones A potential source for bifunctional heterocyclic sulfones Phosphorous, Sulfur & Silicon, 160, 61 (2000). 32. D. B. Reddy, M. Rajagopala Sarma, A. Padmaja, V. Padmavathi, Reactivity of bifunctional alkenes with diazomethane Phosphorous, Sulfur & Silicon, 164, 23 (2000). 33. D. B. Reddy, N. Chandrasekhar Babu, V. Padmavathi, A. Padmaja, 2-Arylethenyl-2'- arylethynyl sulfones: A potential source for new heterocycles Phosphorous, Sulfur & Silicon, 165, 237 (2000). 34. D. B. Reddy, N. Chandrasekhar Babu, A. Padmaja, 1-Aroyl-2-styrylsulfonylethenes: A source for dithianes, thiazines and thiaselenananes Indian J. Chem., 39B, 406 (2000). 35. V. Padmavathi, B. Jagan Mohan Reddy, M. Rajagopala Sarma, A. Padmaja, D. B. Reddy, Cyclohexanone derivatives: Synthons for substituted quinolines Heterocycl. Commun., 7, 467 (2001). 36. D. B. Reddy, A. Balaiah, V. Padmavathi, A. Padmaja, A new class of fused bis (1,2,3) selena and/ or thiadiazoles Synth. Commun., 31, 3265 (2001). 37. V. Padmavathi, R. P. Sumathi, A. Padmaja, D. B. Reddy, The behaviour of pyrazole and isoxazole derivatives under electron impact conditions Indian J. Chem., 40B, 846 (2001). 38. V. Padmavathi, R. P. Sumahti, A. Padmaja, Effect of bifunctional heterocyclic sulfones on Spodoptera Litura J. Ecobiol., 14, 9 (2002). 39. V. Padmavathi, M. Rajagopala Sarma, A. Padmaja, D. B. Reddy, Reactivity of bisolefinic systems with diazomethane and hydrazine hydrate. Part-III Heterocycl. Commun., 8, 91 (2002). 40. V. Padmavathi, K. Venugopal Reddy, A. Padmaja, D. B. Reddy, Regiospecific & regioselective 1,3-dipolar cycloaddition of dipolar reagents to unsymmetrical bis olefinic ketones in the presence of chloramine-t (CAT) Synth. Commun., 32, 1227 (2002). 41. V. Padmavathi, A. Balaiah, K. Venugopal Reddy, A. Padmaja, D. B. Reddy, 3,3- Disubstituted-1,5-diaryl-1,5-pentane diones as versatile intermediates for spiro heterocycles Indian J. Chem., 41B, 1670 (2002).

12 42. V. Padmavathi, A. Balaiah, A. Padmaja, D. B. Reddy, 1,5-Diphenyl-3,3-dicyano-1,5- pentanedione-a synthon for novel heterocycles Phosphorous, Sulfur & Silicon, 177, 2791 (2002). 43. V. Padmavathi, K. Venugopal Reddy, A. Padmaja, P. Venugopalan, Unusual reaction of chloramine-t with araldoximes J. Org. Chem., 68, 1567 (2003). 44. V. Padmavathi, M. Rajagopal Sarma, A. Padmaja, D. B. Reddy, 2-Pyrazolines from 1,3- dipolar cycloaddition of diazomethane to arylsulfonylethenes J. Heterocyclic Chem., 40, 933 (2003). 45. V. Padmavathi, M. Rajagopal Sarma, K. Venugopal Reddy, A. Padmaja, D. B. Reddy, Studies on reactivity of ketosulfones Heteroatom Chem., 14, 155 (2003). 46. V. Padmavathi, K. Venugopal Reddy, A. Padmaja, D. B. Reddy, 1,3-Dipolar cycloaddition of dipolar reagents to bifunctional bis olefins in the presence of Chloramine- T Phosphorus, Sulfur & Silicon, 178, 171 (2003). 47. V. Padmavathi, A. Balaiah, B. Jagan Mohan Reddy, A. Padmaja, 1,5-Diaryl-3,3- disubstituted-1,5-pentanedione: A synthon for 2,4,6-trisubstituted heterocycles Heterocyclic Commun., 9, 599 (2003). 48. V. Padmavathi, P. Thriveni, A. Padmaja, An unusual reaction of phenacylsulfonylacetic acid and styrylsulfonylacetic acid with hydrazine hydrate J. Chem. Res. (S) 556 (2004). 49. V. Padmavathi, G. Sivajyothi, N. Y. Sreedhar, K. Venugopal Reddy, A. Padmaja, Synthesis of mono and bis pyrazolines and isoxazolines by 1,3-dipolar cycloaddition of dipolar reagents to 3,3 -[1,4/1,3-phenylene]bis[1-aryl-2-propenone] in the presence of chloramine-t Indian J. Chem., 43B, 2395 (2004). 50. V. Padmavathi, B. C. Obula Reddy, D. R. C. V. Subbaiah, A. Padmaja, Sulfonyl acetic acids-source for substituted 2-oxazolines Indian J. Chem., 43B, 2456 (2004). 51. V. Padmavathi, B. Jagan Mohan Reddy, M. Rajagopala Sarma, A. Padmaja, Synthesis of novel substituted tetrahydro pyridines, pyrans and thiopyrans Indian J. Chem., 43B, 2459 (2004). 52. V. Padmavathi, B. Jagan Mohan Reddy, A. Padmaja, K. Venugopal Reddy, M. Rajagopala Sarma, Synthesis of some novel spiro heterocycles Indian J. Chem., 43B, 2628 (2004).

13 53. V. Padmavathi, B. J. M. Reddy, B. C. Obula Reddy, A. Padmaja, Spiro-heterocycles from substituted pyridines, pyrans and thiopyrans J. Heterocyclic Chem., 41, 951 (2004). 54. V. Padmavathi, B. Jagan Mohan Reddy, B. C. Obula Reddy, A. Padmaja, Synthesis of a new class of keto-linked bis heterocycles Tetrahedron, 61, 2407 (2005). 55. V. Padmavathi, P. Thriveni, B. Jagan Mohan Reddy, A. Padmaja, Synthesis of thiadiazoles, triazoles and oxadiazoles from sulfonylacetic acids via a common route J. Heterocyclic Chem., 42, 113 (2005). 56. V. Padmavathi, B. Jagan Mohan Reddy, A. Padmaja, A novel and simple route for the synthesis of 3,4-disubstituted pyrroles J. Heterocyclic Chem., 42, 333 (2005). 57. V. Padmavathi, B. Jagan Mohan Reddy, A. Balaiah, A. Padmaja, D. Bhaskar Reddy, Synthesis of some novel spiro heterocycles- Part II Arkivoc, (xiv), 1 (2005). 58. V. Padmavathi, S. M. Basha, D.R.C.V. Subbaiah, T.V. Ramana Reddy, A. Padmaja, Gem disubstituted 4-oxocyclohexanes: Source for spiroheterocycles J. Heterocyclic Chem., 42, 797 (2005). 59. V. Padmavathi, D.R.C.V. Subbaiah, A. Balaiah, B. C. Obula Reddy, A. Padmaja, Michael addition of active methylene compounds to, -unsaturated sulfones Indian J. Chem., 44B, 2569 (2005). 60. V. Padmavathi, T.V. Ramana Reddy, K. Audisesha Reddy, A. Padmaja, D.B. Reddy, A study on the reactivity of 1,3-dimethyl-2,6-diphenyl-4-piperidone-Synthesis of some novel heterocycles Indian J. Chem., 44B, 2527 (2005). 61. V. Padmavathi, A. Balaiah, N. Ravi Sankar, M. Rajagopala Sarma, A. Padmaja, Toxicity evaluation of some newly synthesized spiropyrimidines, thioxo pyrimidines, pyrazoles and isoxazoles J. Ecotoxicol. Environ. Monit., 16, 139 (2006). 62. V. Padmavathi, B. Jagan Mohan Reddy, D.R.C.V. Subbaiah, A. Padmaja, Michael adducts Synthons for a new class of 1,4-dispirocyclo-hexane derivatives Indian J. Chem., 45B, 808 (2006). 63. V. Padmavathi, K. Venugopal Reddy, B. Jagan Mohan Reddy, A. Padmaja, D. B. Reddy, Application of dipolar reagents towards complex heterocycles Indian J. Chem., 45B, 1437 (2006).

14 64. S. H. Fang, V. Padmavathi, Y. Koteswara Rao, D. R. C. V. Subbaiah, P. Thriveni, M. Geethangili, A. Padmaja, Y.M. Tzeng, Biological evaluation of sulfone derivatives as anti-inflammatory and tumor cells growth inhibitory agents International Immunopharmacology, 6, 1699 (2006). 65. V. Padmavathi, B. C. Obula Reddy, A. V. Nagendra Mohan, A. Padmaja, Synthesis of a new class of sulfone linked bisheterocycles J. Heterocyclic Chem., 44, 459 (2007). 66. A. Padmaja, G. Sudhakar Reddy, A.V. N. Mohan, V. Padmavathi, Michael adducts- Source for biologically potent heterocycles Chem. Pharm. Bull., 56, 647 (2008). 67. V. Padmavathi, K. Mahesh, D. R. C. V. Subbaiah, A. Padmaja, A new class of sulfone _ linked bis 1,2,3-selenadiazoles, 1,2,3-thiadiazoles and 2H-diazaphospholes Heteroatom Chem., 19, 261 (2008). 68. V. Padmavathi, A.V. Nagendra Mohan, K. Mahesh, A. Padmaja, Aroylethenesulfonylacetic acid methyl ester-a synthon for novel sulfone linked bisheterocycles Chem. Pharm. Bull., 56, 815 (2008). 69. V. Padmavathi, K. Sudheer, A. Padmaja, Double Michael addition reaction of methyl 3- aryl-2-(z-styrylsulfonyl)acrylate Indian J. Chem., 47B, 734 (2008). 70. V. Padmavathi, G. Sudhakar Reddy, D. Deepti, A. Padmaja Ketene dithioacetals Source for different heterocycles J. Heterocyclic Chem., 45, 1089 (2008). 71. V. Padmavathi, T. Radhalakshmi, G. Sudhakar Reddy, A. Padmaja, 1-Arylsulfonyl-2- styrylsulfonyl-ethenes Source for a new class of bis heterocycles J. Heterocyclic Chem., 45, 1579 (2008). 72. A. Padmaja, T. Payani, K. Mahesh, Synthesis of a new class 2-oxazolines and 2- thiazolines Indian J. Chem., 47B, 1713 (2008). 73. V. Padmavathi, G. Sudhakar Reddy, A. Padmaja, P. Kondaiah, Ali-Shazia, Synthesis, antimicrobial and cytotoxic activities of 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4- triazoles, Eur. J. Med. Chem., 44, 2106 (2009). 74. V. Padmavathi, T. Radhalakshmi, K. Mahesh, A. Padmaja, Synthesis and biological activity of a new class of sulfone linked pyrrolylpyrazoles and pyrrolyl isoxazoles from methyl 3-aryl-2-(E-arylethenesulfonyl)acrylate Chem. Pharm. Bull., 57, 1200 (2009).

15 75. V. Padmavathi, K. Mahesh, A. V. N. Mohan, A. Padmaja, Synthesis and bioassay of oxazolyl/thiazolyl selenadiazoles, thiadiazoles and diazophospholes Chem. Pharm. Bull., 57, 561 (2009). 76. A. Padmaja, T. Payani, G. Dinneswara Reddy, V. Padmavathi, Synthesis, antimicrobial and antioxidant activities of substituted pyrazoles, isoxazoles, pyrimidine and thioxopyrimidine derivatives Eur. J. Med. Chem., 44, 4557 (2009). 77. A. Padmaja, T. Payani, K. Mahesh, V. Padmavathi, Ethyl-3,4-diaroyl-2-cyanobutyrate- A synthon for novel heterocycles J. Heterocyclic Chem., 46, 1239 (2009). 78. A. Padmaja, T. Payani, A. Muralikrishna, V. Padmavathi, Michael adduct: Synthons for a new class of heterocycles Indian J. Chem., 49B, 1379 (2010). 79. V. Padmavathi, B. Jagan Mohan Reddy, K. Mahesh, P. Thriveni, A. Padmaja, E,E- Bis(styryl)sulfones Synthons for a new class of bis(heterocycles) J. Heterocyclic. Chem., 47, 825 (2010). 80. V. Padmavathi, K. Mahesh, G. Dinneswara Reddy, A. Padmaja, Synthesis and bioassay of pyrrolyl oxazolines and thiazolines Eur. J. Med. Chem., 45, 3178 (2010). 81. V. Padmavathi, S. Nagi Reddy, G. Dinneswara Reddy, A. Padmaja, Synthesis and bioassay of aminosulfonyl-1,3,4-oxadizoles and their interconversion to 1,3,4- thiadiazoles Eur. J. Med. Chem., 45, 4246 (2010). 82. A. Padmaja, T. Payani, A. Muralikrishna, K. Mahesh, E-1,2 Diarylsulfonylethene- Source for new class of heterocycles J. Heterocyclic Chem., 48, 199 (2011). 83. A. Padmaja, C. Rajasekhar, A. Muralikrishna, V. Padmavathi, Synthesis and antioxidant activity of oxazolyl/thiazolylsulfonylmethyl pyrazoles and isoxazoles Eur. J. Med. Chem., 46, 5034 (2011). 84. A. Padmaja, A. Muralikrishna, C. Rajasekhar, V. Padmavathi, Synthesis and antimicrobial activity of pyrrolyl/pyrazolyl arylaminosulfonylmethyl 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles Chem. Pharm. Bull., 59, 1509 (2011). 85. V. Padmavathi, G. Dinneswara Reddy, G. Sudhakar Reddy, K. Mahesh, A. Padmaja, Reactivity of ketene dithiolates toward alkyl bromides J. Heterocyclic Chem., 48, 973 (2011).

16 86. V. Padmavathi, G. Dinneswara Reddy, B.C. Venkatesh, A. Padmaja, One-pot synthesis of 5-{[bis(azolylmethylthio)]methylene}-pyrimidine-2,4,6-(1H,3H,5H)-triones Arch. Pharm. Chem. Life, 11, 165 (2011). 87. V. Padmavathi, S. Nagi Reddy, G. Dinneswara Reddy, B.C. Venkatesh, A. Padmaja, Synthesis and antimicrobial studies of pyrazolyl oxadiazoles and thiadiazoles J. Heterocyclic Chem., 48, 1197 (2011). 88. V. Padmavathi, C. Prema Kumari, B.C. Venkatesh, A. Padmaja, Synthesis and antimicrobial activity of amido linked pyrrolyl and pyrazolyl-oxazoles, thiazoles and imidazoles Eur. J. Med. Chem., 46, 5317 (2011). 89. A. Padmaja, K. Syamaiah, A. Muralikrishna, V. Padmavathi, Synthesis of some new 3,4-disubstituted pyrroles and pyrazoles from E-1-(arylsulfonylethylsulfonyl)-2- arylethene Indian J. Chem., 51B, 285 (2012). 90. V. Padmavathi, B.C. Venkatesh, A. Muralikrishna, A. Padmaja, The reactivity of gem cyanoester ketene dithiolates towards the development of potent antioxidant heterocycles Chem. Pharm. Bull., 60, 449 (2012). 91. A. Muralikrishna, B.C. Venkatesh, V. Padmavathi, A. Padmaja, P. Kondaiah, N. Siva Krishna, Synthesis, antimicrobial and cytotoxic activities of sulfone linked bis heterocycles Eur. J. Med. Chem., 54, 605 (2012). 92. A. Padmaja, C. Rajasekhar, A. Muralikrishna, V. Padmavathi, Synthesis and antioxidant activity of disubstituted 1,3,4-oxadiazoles,,3,4-thiadiazoles and 1,2,4-triazoles J. Chem. Pharm. Res., 4, 294 (2012). 93. V. Padmavathi, B. C. Venkatesh, C. Premakumari, A. Padmaja, Synthesis of a new class of arylsulfonylethylsulfonylmethyloxazolines and thiazolines J. Heterocyclic Chem., 49, 646 (2012). 94. B. C. Venkatesh, C. Premakumari, A. Padmaja, V. Padmavathi, Polarized ketene dithioacetals- Versatile synthons for different heterocycles Chin. J. Chem., 30, 1886 (2012). 95. V. Padmavathi, B.C. Venkatesh, A. Muralikrishna, A. Padmaja Synthesis and antioxidant activity of a new class of bis and tris heterocycles Arch. Pharm. Chem. Life Sci., 345, 745 (2012).

17 96. V. Padmavathi, C. Premakumari, B.C. Venkatesh, T. Bhanu Prakash, A. Padmaja, Synthesis of new class of 2-benzylsulfonylmethylsulfonyloxazolines and thiazolines Indian J. Chem., 51B, 1494 (2012). 97. R. Munikishore, A. Rammohan, A. Padmaja, D. Gunasekar, A. Deville, B. Bodo, Two new flvonoids from the seeds of Derris scandens Nat. Prod. Commun., 7, 1305 (2012). 98. A. Muralikrishna, M. Kannan, V. Padmavathi, A. Padmaja, R. Krishna, N-(4- Chlorophenyl)-1-(5-{[(2-phenylethenyl)sulfonyl]methyl}-1,3,4-oxadiazol-2-yl)methane sulfonamide Acta Cryst., E68, (2012). 99. G. Mallikarjuna Reddy, P. Ramachandra Reddy, V. Padmavathi, A. Padmaja, Synthesis and antioxidant activity of a new class of mono and bis- heterocycles Arch. Pharm. Chem., Life Sci., 346, 154 (2013) N. Mahaboob Basha, G. Lavanya, A. Padmaja, V. Padmavathi, Synthesis and antioxidant activity of acetamidomethylsulfonyl bis heterocycles-oxazolyl/thiazolyl/ imidazolyl-1,3,4-oxadiazoles Arch. Pharm. Chem. Life Sci., 346, 511 (2013) T. Bhanu Prakash, L. Mallikarjuna Reddy, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of azole derivatives Chem. Pharm. Bull., 61, 516 (2013) B. C. Venkatesh, N. Mahaboob Basha, A. Padmaja, V. Padmavathi, Heterocyclization of reactions of ketene dithiolates Indian J. Chem., 52B, 665 (2013) M. Swapna, C. Premakumari, S. Nagi Reddy, A. Padmaja, V. Padmavathi, Synthesis and antioxidant activity of a variety of sulfonamidomethane linked 1,3,4-oxadiazoles and thiadiazoles Chem. Pharm. Bull., 61, 611 (2013) M. Swapna, C. Premakumari, S. Nagi Reddy, A. Padmaja, V. Padmavathi, P. Kondaiah, N. Siva Krishna, Synthesis, antimicrobial and cytotoxic activities of sulfonamidomethane linked heterocycles Chem. Pharm. Bull., 61, 722 (2013) D. Seenaiah, B. C. Venkatesh, A. Padmaja, V. Padmavathi, Synthesis of some new oxazolinyl / thiazolynyl / imidazolynyl-benzoxazoles, benzothiazoles and benzimidazoles Indian J. Chem., 52B, 942 (2013) G. Mallikarjuna Reddy, A. Muralikrishna, V. Padmavathi, A. Padmaja, T. K. Tilak, C. Appa Rao, Synthesis and antioxidant activity of styrylsulfonylmethyl 1,3,4- oxadiazoles, pyrazolyl / isoxazolyl- 1,3,4-oxadiazoles Chem. Pharm. Bull., 61, 1291 (2013).

18 107. R. Munikishore, A. Padmaja, D. Gunasekar, A. Blond, B. Bodo, Two new flavonoids from Ageratum conyzoides Indian J. Chem., 52B, 1479 (2013) V. Padmavathi, M. Swapna, S. Nagi Reddy, A. Padmaja, Synthesis of pyrrolyl and pyrazolyl sulfonamides Chemistry of Heterocyclic Compounds, 48, 1641 (2013) N. Mahaboob Basha, D. Seenaiah, A. Padmaja, V. Padmavathi, D. S. Bhargav, T. Vijaya, Synthesis and antioxidant activity of bis and tris heterocycles Arch. Pharm. Chem. Life Sci., 347, 54 (2013) R. Munikishore, A. Rammohan, A. Padmaja, D. Gunasekar, A. Deville, B. Bodo, A new O-prenylated flavonol from the roots of Sophora Interrupta Nat. Prod. Res., 27, 1823 (2013) G. Lavanya, V. Padmavathi, A. Padmaja, Synthesis and antioxidant activity of 1,4- [bis(3-arylmethanesulfonyl pyrrolyl and pyrazolyl)]benzenes J. Braz. Chem. Soc., 25, 1200 (2014) A. Muralikrishna, G. Mallikarjuna Reddy, G. Lavanya, V. Padmavathi, A. Padmaja, Synthesis of new class of sulfonamide bis heterocycles-pyrrolyl/pyrazolyl-1,3,4- oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles J. Heterocyclic Chem., 51, 179 (2014) A. Padmaja, C. Rajashekar, S. Durgamma, B.C. Venkatesh, V. Padmavathi, Synthesis and antioxidant activity of pyrazolyl oxazolines/thiazolines and isoxazolyl-oxazolines / thiazolines Med. Chem. Res., 23, 1084 (2014) P. Ramachandra Reddy, G. Mallikarjuna Reddy, A. Padmaja, V. Padmavathi, Synthesis and cytotoxic activity of N-azole substituted thiomorpholine derivatives Arch. Pharm. Chem. Life Sci., 347, 221 (2014) C. Premakumari, A. Muralikrishna, A. Padmaja, V. Padmavathi, S. J. Park, T. J. Kim, G. Dinneswara Reddy, Synthesis antimicrobial and anticancer activity of amido sulfonamido methane linked bis heterocycles Arabian J. Chem., 7, 385 (2014) K. Syamaiah, G. Mallikarjuna Reddy V. Padmavathi, A. Padmaja, Synthesis and antimicrobial activity of some new amido/sulfonamide linked 3, 4-disubstituted pyrroles Med. Chem. Res., 23, 3287 (2014).

19 117. S. Durgamma, A. Muralikrishna, V. Padmavathi, A. Padmaja, Benzoxazolyl/ benzothiazolyl/ benzimidazolyl cinnamamides: Source for synthesis of some New pyrroles and pyrazoles Med. Chem. Res., 23, 2916 (2014) T. Bhanu Prakash, G. Lavanya, A. Padmaja, V. Padmavathi, Synthesis and antioxidant activity of amidomethane sulfonyl linked bis heterocycles Med. Chem. Res., 23, 4500 (2014) D. Seenaiah, P. Ramachandra Reddy, G. Mallikarjuna Reddy, A. Padmaja, V. Padmavathi, Synthesi, antimicrobial and cytotoxic activities of pyrimidinyl benzoxazole, benzthiazole and benzthiazole Eur. J. Med. Chem., 77, 1 (2014) T. Bhanu Prakash, G. Dinneswara Reddy, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of amine linked bis- and tris- heterocycles Eur. J. Med. Chem., 82, 347 (2014) G. Mallikarjuna Reddy, G. Sravya, A. Padmaja, V. Padmavathi, An efficient method synthesis of styryl 1,3,4-oxadiazoles using LR and T3P-Presursors for bis heterocycles Arabian J. Chem., 7, 947 (2014) G. Sravya, V. Padmavathi, A. Padmaja, Synthesis and reactivity of 2-chloro-5-(4- phenyl-1h-1,2,3-triazol-1-yl)benzenamine Indian J. Chem., 53B, 1619 (2014) C. Rajasekhar, S. Durgamma, A. Padmaja, E-Aroylethenesulfonylacetic acid methyl ester: Source for bis heterocycles, J. Heterocyclic Chem., 51, 1727 (2014) V. Padmavathi, D. Seenaiah, C. Premakumari, A. Padmaja, Synthesis and antimicrobial activity of new class of sulfonyl methane linked bis heterocycles J. Heterocyclic Chem., 51, 1757 (2014) M. Swapna, N. Mahaboob Basha, A. Padmaja, V. Padmavathi, Synthesis of amino derivatives of 3-(4-phenyl-1,2,3-triazolyl)benzamine Indian J. Chem., 53B, 1178 (2014) G. Lavanya, L. Mallikarjuna Reddy, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of (1,4-phenylene)bis(arylsulfonylpyrazoles and isoxazoles) Eur. J. Med. Chem., 73, 187, (2014) K. Divya, G. Sravya, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of bis heterocyclic sulfamoyl acetamides Res Chem Intermed., 41, 4413 (2015).

20 128. K. Syamaiah, S. Durgamma, K. Sudheer, V. Padmavathi, A. Padmaja, Synthesis and antimicrobial activity of a new class of activated olefins, 3,4-disubstituted pyrroles and pyrazoles Der Pharma Chemica., 8, 64 (2015) G. Lavanya, T. Bhanu Prakash, G. Sravya, V. Padmavathi, A. Padmaja, Synthesis and antioxidant activity of bis unsaturated sulfones, bis pyrroles, and bis pyarazoles Res. Chem. Interm., 41, 8815 (2015) S. S. Basha, K. Divya, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of thiazolyl pyazoles and isoxazoles Res. Chem. Interm., 41, 756 (2015) P. Ramachandra Reddy, D. Seenaiah, A. Padmaja, V. Padmavathi, N. Siva Krishna, Synthesis, antioxidant, and cytotoxic activities of bis(oxazolyl / thiazolyl / imidazolyl)amidomethane sulfonyl acetamides Med. Chem. Res., 24, 86 (2015) V. Padmavathi, K. Sudheer, A. Muralikrishna, A. Padmaja, Double Michael adductssource for spiro heterocycles Indian J. Chem., 54B, 283 (2015) S. S. Basha, P. Ramachandra Reddy, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of 3-aroyl-4-heteroaryl pyrroles and pyrazoles Med. Chem. Res., 24, 954 (2015) P. Ramachandra Reddy, A. Padmaja, V. Padmavathi, Synthesis of heteroaryl thiazolidinones and azetidinones under conventional and ultrasonication methods J. Heterocyclic Chem., 52, 1474 (2015) L. Mallikarjuna Reddy, G. Dinneswara Reddy, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of amino linked tris heterocycles Chem. Pharm. Bull., 63, 75 (2015) G. Lavanya, T. Bhanu Prakash, V. Padmavathi, M. Balaji, A. Padmaja, A study on synthesis, anti-inflammatory and antioxidant activities of (1,4-phenylene)- bis(arylsulfonylvinyl)benzene, (1,4-phenylene)bis(arylsulfonyl pyrroles) and (1,4- phenylene)bis(arylsulfonyl pyrazoles) Med. Chem. Res., 24, 3785 (2015) L. Mallikarjuna Reddy, T. Bhanu Prakash, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of pyrazolyl benzoxazoles, benzothiazoles and benzimidazoles Med. Chem. Res., 24, 970 (2015).

21 138. A. Padmaja, D. Pedamalakondaiah, G. Sravya, M. V. J. Kumar, G. Mallikarjuna Reddy, M. Jyothi kumar, Synthesis and antioxidant activity of a new class of sulfone / sulfonamide linked bis(oxadiazoles), bis(thiadiazoles) and bis(triazoles) Med. Chem. Res., 24, 2011 (2015) M. Madhu Sekhar, G. Sravya, V. Padmavathi, A. Padmaja, R. Usha, P. Supraja, Synthesis and antimicrobial activity of 1,3- / 1,4-phenylene linked bis azoles Res. Chem. Interm., 42, 7947 (2016) G. Sravya, G. Yamini, V. Padmavathi, A. Padmaja, Synthesis and antimicrobial activity of styryl / pyrrolyl / pyrazolyl sulfonylmethyl-1,3,4-oxadiazolyl / 1,3,4-thiadiazolyl amines Eur. J. Med. Chem., 122, 647 (2016) S. Durgamma, P. Ramachandra Reddy, V. Padmavathi, A. Padmaja, Synthesis of a new class of amido linked benzoxazolyl / benzothiazolyl / benzimidazolyl / pyrazoles and isoxazoles J. Heterocyclic Chem., 53, 738 (2016) A. Padmaja, D. Pedamalakondaiah, G. Lavanya, C. Rajasekhar, Synthesis of symmetrical bis(5-substituted oxadiazolyl / thiadiazolyl / triazolylmethyl)sulfones J. Heterocyclic. Chem. 53, 1651 (2016) B. Ragavendra, K. Divya, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of bisazolylsulfonyl amines Indian. J. Chem., 55B, 1376 (2016) N. Mahaboob Basha, P. Ramachandra Reddy, A. Padmaja, V. Padmavathi, Synthesis and antioxidant activity of bis-oxazolyl / thiazolyl / imidazolyl 1,3,4-oxadiazoles and 1,3,4-thiadiazoles J. Heterocyclic Chem., 53, 1276 (2016) B. Ragavendra, D. V. Sowmya, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of azolyl pyrimidines J. Heterocyclic Chem., 54, 524 (2017) G. Mallikarjuna Reddy, S. Durgamma, K. Syamaiah, G. Yamini, V. Padmavathi, A. Padmaja, Synthesis and antioxidant activity of pyrazolyl 1,3,4-thiadiazoles and isoxazolyl 1,3,4-thiadiazoles Indian J. Chem., 56B (2017) D.V. Sowmya, S.S. Basha, Y. Lavanyalatha, P. Umamaheswari Devi, A. Padmaja, V. Padmavathi, Synthesis, antimicrobial and anti-inflammatory activities of acetamido pyrrolyl azoles Med.Chem.Res., DOI: /s

22 148. P. Ramachandra Reddy, D.V. Sowmya, G. Dinneswara Reddy, A. Padmaja, V. Padmavathi, Synthesis and anti-allergic activity of bis-heteroaryl hydrazines J. Heterocyclic Chem., DOI: /jhet D. Seenaiah, T. Rekha, A. Padmaja, V. Padmavathi, Synthesis and antimicrobial activity of pyrimidinyl bis(benzazoles) Med.Chem.Res., 26, 431, (2017) U. Nagarjuna, G. Sravya, V. Padmavathi, A. Padmaja, Synthesis and antioxidant activity of a new class of indolyl pyrazoles, indolyl pyrazolyl thaizoles Med. Chem. Res., DOI: /S S. Pulla Reddy, M. Madhu sekhar, K. Divya, V. Padmavathi, A. Padmaja, Benzene sulfonicamacid-a versatile catalyst for the synthesis of bis(indolyl) methanes as antioxidants J. Heterocyclic Chem., DOI: /jhet L. Mallikarjuna Reddy, G. Lavanya, G. Lakshmi Teja, V. Padmavathi, A. Padmaja, Synthesis and antibacterial activity of bis and tris heterocycles J. Heterocyclic Chem., DOI: /jhet.287

23 ANNEXURE III Name of the Faculty Prof. A. Padmaja Seminar/ symposium/ conference/ workshop National Seminar on Recent research trends in synthetic organic and natural products chemistry (RRTSON- PC-12) Convenor/ Co- Convenor Co- Convenor Sponsoring Agency CSIR, BRNS(DAE), DST, UGC-DRS Duration Amount in Lakhs March, 2012 No. of Participants 1,00, International Conferences RESEARCH PAPERS PRESENTED IN CONFERENCES 1 Polycyclicpolythia compounds: Synthesis of 1,2,3,4-tetrahydro-thiopyrano-5-hydro-thiopyrene benzothiophene-1-one as bioactive agent., D. Bhaskar Reddy, A. Padmaja and V. Padmavathi, 10 th International Conference on Organic Synthesis, December, 1994, held at Bangalore, India. 2 Electron impact studies of pyrazolines and isoxazolines., V. Padmavathi, R. P. Sumathi, A. Padmaja and D. Bhaskar Reddy, 8 th ISMAS Symposium on Mass Spectrometry, December, 1999, held at Hyderabad, India. 3 -Ketomethylene functionality - A versatile source for the synthesis of some interesting selenadiazoles., D. Bhaskar Reddy, V. Padmavathi, A. Padmaja, M. V. Ramana Reddy, A. Somasekhar Reddy, A. Balaiah and T. V. Ramana Reddy, The 5 th International Electronic Conference on Synthetic Organic Chemistry (ECSOC-5), September, 2001, India. 4 Synthesis and bioassay of five and six membered heterocycles., V. Padmavathi, D. R. C. V. Subbaiah, G. Sudhakar Reddy and A. Padmaja, 11 th International Conference on Advances in Drug Discovery Research, February 2007, held at Chikalthana, Aurangabad, Maharastra, India. 5 Dimethyl 2-(1',2'-diaryl-sulfonyl)ethylmalonate: Synthon for a new class of heterocycles., A. Padmaja, T. Payani, A. Muralikrishna and C. Rajashekar, International Conference on Current Trends in Chemistry and Biochemistry (ICCTB-2009) December, 2009, Bangalore, India.

24 6 Synthesis and anticancer activity of substituted pyrazolyl-oxazolines / thiazolines and isoxazolyl-oxazolines / thiazolines., A. Padmaja, C. Rajasekhar, A. Muralikrishna and G. Mallikarjuna Reddy, International Conference on Synthetic and Structural Chemistry, December, 2011, held at Mangalore University, Mangalore, India. 7 Styrenesulfonamides: Source for synthesis of some new pyrrolyl and pyrazolyl Derivatives., A. Padmaja, M. Swapna, G. Lavanya, International seminor on Current Trends In Environmental Toxicology Experimental Therapeutics, December, 2012, held at V.S. University, Nellore, India. 8 Michael acceptors-source for different heterocycles., G. Lavanya, S. Durgamma, L. Mallikarjuna Reddy and A. Padmaja, International seminor on Emerging Trends in Synthetic Organic and Medicinal Chemistry (ESMC), November, 2013, held at V. S. University, Nellore, India. 9 Synthesis of a some new compounds of sulfone linked bis (oxadiazoles)/(thiadiazoles) and (triazoles)., A. Padmaja, D. P. Malakondaiah, G. Sravya and G. Mallikarjuna Reddy, International seminor on Emerging Trends in Synthetic Organic and Medicinal Chemistry (ESMC), November 2013, V. S. University, Nellore, India. 10 Synthesis, anti-inflammatory and antioxidant activities of 1,4-phenylene linked bis- (arylsulfonylpyrroles and pyrazoles)., G. Lavanya and A. Padmaja, International symposium of environmental biology and therapeutics, December, 2013, held at V. S. University, Nellore, India. 11 Synthesis and antioxidant activity of styrylsulfonylmethyl 1,3,4-thiadiazoles, pyrazolyl/isoxazolyl-1,3,4-thiadiazoles., G. Mallikarjuna Reddy, P. Ramachandra Reddy and A. Padmaja, International Symposium on Nature Inspired Initiatives in Chemical Trends, March, 2014, Held at IICT, Hyderabad, India. 12 Synthesis and Anti-microbial Activity of Azolyl Pyrimidines., B. Raghavendra, M. Madhu Sekhar, T. Rekha, A Padmaja and V. Padmavathi, International Conference on Trend Setting Innovation in Chemical Sciences & Technology-Applications in Pharma Industry (TSCST-API 2015), December th, 2015, held at JNTU, Hyderabad, India. 13 Synthesis, characterization and anti-microbial activity of 1,3- and 1,4 bis (styryl-1,3,4- oxadiazolyl)benzenes., M. Madhu Sekhar, U. Nagarjuna, T. Sreenivasulu and A. Padmaja, International Conference on (International Congress on Recent Advances in Chemistry and Chemical Engineering (ICRACACE), July11-13 th, 2016, held at JNTU, Hyderabad, India.

25 14 Synthesis, characterization, molecular modeling and antioxidant activity of bis (indolyl) pyrazolyl thaizoles., U. Nagarjuna, T. Sreenivasulu and A. Padmaja, International conference on environmental conservation and human health- challenges and strategies (ICECH), December rd, 2015, held at S. V. University, Tirupathi, India. National conferences 1 Synthesis of new pyrazolines., D. Bhaskar Reddy, A. Padmaja and T. Seshamma, 6 th Indian Council of Chemists, December, 1986, held at Madurai, India. 2 E-( )-Arylsulfonyl chalcones as precursors for the synthesis of pyrazolines., D. Bhaskar Reddy, K. R. K. Murthy, V. Padamvathi and A. Padmaja, National symposium on newer perspective in Synthetic Organic Chemistry, March, 1990, held at Madurai, India. 3. Synthesis of new conjugated enamino derivatives of bis(4-aryl-2-pyrazolin-3yl)ketones., D. Bhaskar Reddy and A. Padmaja, 9 th Indian Council of Chemists, December, 1990, held at Gulbarga, India. 4. Bis(pyrazolyl)sulfones as precursors for the synthesis of new class of enamines and cyclopropanes., D. Bhaskar Reddy, A. Padmaja, V. Padmavathi and N. Subba Reddy, 10 th Indian Council of Chemists, October, 1991, Goa, India. 5. Policyclic polythia compounds: Thiochromanone as potential gonapentaen-17 and 18-onessynthons., D. Bhaskar Reddy, A. Padmaja, M. Muralidhar Reddy and P.V. Ramana Reddy, 11 th Indian Council of Chemists, March, 1992, Muzaffarpur, India. 6. Mass spectrometric studies of bis(2-pyrazolyl)ketones., D. Bhaskar Reddy, A. Padmaja and P.V. Ramana Reddy, 6 th National Symposium on Mass Spectrometry, October, 1993, held at Dehradun, India. 7. Policyclicpolythia compounds : Part-II., D. Bhaskar Reddy, A. Padmaja, M. Muralidhar Reddy and P.V. Ramana Reddy, National Symposium on recent trends of research in Organic Chemistry, November, 1993, held at Bhagalpur, India. 8. Pyrazolines as precursors for cyclopropanes., D. Bhaskar Reddy, G. V. Bhaskar Reddy, A. Padmaja and N. Subba Reddy, 12 th Indian Council of Chemists, December, 1993, Warangal, India.

26 9. Bischalcones-Building blocks for selenium containing heterocycles., A. Padmaja, A. Somasekhar Reddy and D. Bhaskar Reddy, 14 th Annual Conference of Indian Council of Chemists, December, 1995, held at Indian Institute of Science, Bombay, India. 10. Synthesis of 1,2-diarylsulfonyl-3-arylcyclopropanes and 1-arlsulfonyl-2-aryl-3,3-dichlorocyclopropanes under PTC conditions., A. Padmaja, K. R. Reddy and D. Bhaskar Reddy, 33 rd Annual Convention of Chemists, December, 1996, held at Coimbatore, India. 11. Functionalization of 4-piperidones A versatile route for heterocyclic systems., D. Bhaskar Reddy, A. Somasekhar Reddy, V. Padmavathi and A. Padmaja, 16 th Conference of Indian Council of Chemists, December, 1997, held at Mangalore, India. 12 Synthesis of ene-yne sulfones., D. Bhaskar Reddy, N. C. Babu, A. Padmaja and V. Padmavathi, 16 th Conference of Indian Council of Chemists, December, 1997, held at Mangalore, India. 13 Studies on selenium containing heteroycles., D. Bhaskar Reddy, A. Somasekhar reddy, A. Padmaja and V. Padmavathi, 17 th Conference of Indian council of Chemists, November, 1998, held at Chennai, India. 14 Metal mediated reactions: Role of selenium in the synthesis of heterocycles., D. Bhaskar Reddy, A. Somasekhar Reddy, V. Padmavathi and A. Padmaja, National Seminar on Role of Metals and their ions in Organic Synthesis/ Pharmaceutical Industry, March, 1999, Guntur, India. 15 Regioselective reactions of phenacyl bromide and dimethyl malonate., V. Padmavathi, A. Balaiah, M. R. G. Sarma, A. Padmaja and D. Bhaskar Reddy, 37 th Annual Conventional Chemists, Gurukula Kangri University, November, 2000, Haridwar, India. 16 Synthesis of some interesting macrocyclic ring systems via 1,3-dipolar cycloaddition reactions., D. Bhaskar Reddy, K. Venugopal Reddy, A. Padmaja, B. J. M. Reddy, N. Subba Reddy, 38th Annual Conventional Chemists, December, 2001, held at Jai Narayan Vyas University, Jodhpur, Rajasthan, India. 17 1,3-Dipolar cycloaddition of dipolar reagents to bischalcones in the presence of chloramine- T., V. Padmavathi, K. Venugopal Reddy, M. R. G. Sarma, A. Padmaja and D. Bhaskar Reddy, 21 st Conference of Indian Council of Chemists, October, 2002, held at Rani durgavati University, Jabalpur, India.

27 18 Electron Impact studies of bis pyrazolines and isoxazolines., V. Padmavathi, K. Venugopal Reddy, M. R. G. Sarma, A. Padmaja and D. Bhaskar Reddy, ISMAS Silver Jubilee Symposium on mass spectrometry [ISMAS-SJS-2003], January, 2003, held at National Institute of Oceanography, Dona Paula, Goa, India. 19 Michael addition of active methylene compounds to, -unsaturated sulfones., V. Padmavathi, D. R. C. V. Subbaiah, K. Venugopal Reddy, B. C. Obula Reddy and A. Padmaja, 22 nd Conference of Indian Council of Chemists, October, 2003, held at Indian Institute of Technology, Roorkee, India. 20 Synthesis of thiadiazoles, triazoles and oxadiazoles from sulfonyl acetic acids via a common route., V. Padmavathi, P. Thriveni, B.J. M. Reddy and A. Padmaja, National Seminar on Role of Chemistry in the Emerging Areas of Applied Sciences (RCEAS), March, 2004, held at Sri Venkateswara University, Tirupati, India. 21 Double Michael addition reactions of tetrakis sulfonyl activated olefins., V. Padmavathi, D. R. C. V. Subbaiah, B. J. M. Reddy and A. Padmaja, National Symposium on Recent Trends in Hetero-cyclic Chemistry (NSRTHC), September, 2004, held at Jamul Mohammed College, Tiruchirapalli, India Piperidone-Synthon for spiro-heterocycles., V. Padmavathi, T. V. Ramana Reddy, P. Thriveni, G. Sudhakar Reddy and A. Padmaja, National Seminar on Role of Chemistry in drug development strategies, August, 2005, held at S.V. Arts College for Men, TTD, Tirupati, India. 23 Synthesis of 2-oxazolines and 2-thiazolines using lanthanide amino alkoxides., V. Padmavathi, B. C. Obula Reddy, A. V. N. Mohan, A. Padmaja, National Conference on Current Research Trends & Developments in Heterocyclic Chemistry, March, 2006, held at Osmania University, Hyderabad, India. 24 Synthesis of novel sulfone-linked bis heterocycles., V. Padmavathi, P. Thriveni, G. Sudhakar Reddy, D. Deepti and A. Padmaja, National Conference in Chemistry, September, 2006, held at Central College, Bangalore, India Arylsulfonyl-2-styrylsulfonyl- ethenes Source for a new class of bis heterocycles., V. Padmavathi, T. Radhalakshmi, G. Sudhakar Reddy and A. Padmaja, National Seminar on Green Organic Synthesis in Pharmaceuticals An over view, December, 2007, held at Siddartha College, Vijayawada, India.

28 26 Ketene dithioacetals Source for different heterocycles., V. Padmavathi, G. Sudhakar Reddy, D. Deepti and A. Padmaja, Recent Research Trends in Synthetic Organic and Natural Products Chemistry (RRTSONPC), February, 2008,held at S. V. University, Tirupati, India. 27 A new class of biologically potent heterocycles., A. Padmaja, D. Deepti, T. Payani and V. Padmavathi, Recent Research Trends in Synthetic Organic and Natural Products Chemistry (RRTSONPC), February, 2008, held at S. V. University, Tirupati, India. 28 Synthesis and antimicrobial activity of pyrazolyl 1,3,4-oxadiazole., V. Padmavathi, G. Sudhakar Reddy, K. Mahesh, A. Padmaja, Environmentally Benign Methodologies in Chemistry (EBSMC), February, 2009, held at Osmania University, Hyderabad, India. 29 Michael adducts: Synthons for a new class of heterocycles., A. Padmaja, T. Payani, A. Muralikrishna, K. Mahesh, 2 nd AP Science Congress, November, 2009, held at Tirupati, India. 30 Substituted sulfonyl acetic acids- Source for oxadiazoles, thiadiazoles and triazoles., A. Padmaja, C. Rajashekar, A. Muralikrishna and K. Mahesh, National Seminar on Recent Research Trends in Synthetic Organic and Natural Product Chemistry, March, 2010, held at Tirupati, India. 31 Synthesis of novel phenylsulfonyl-ethylsulfonylmethyl-1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles., A. Padmaja, A. Muralikrishna, C. Rajasekhar and C. Prema Kumari, Andhra Pradesh Academy of Sciences, November, 2010, held at JNTUH, Hyderabad, India. 32 Michael adducts- Source for different heterocycles., A. Padmaja and A. Muralikrishna, 6 th Junior National Organic Symposium Trust Conference, January, 2011, held at University of Hyderabad, India. 33 Synthesis of 2-(benzylsulfonyl- methyl)-5-(2-chlorophenyl)-1,3,4-oxadiazoles and their interconversion to 1,3,4-thiadiazole and 1,2,4,-triazole., A. Padmaja and C. Rajasekhar, 6th Junior National Organic Symposium Trust Conference January, 2011, held at University of Hyderabad, India. 34 E-1-(Arylsulfonylethylsulfonyl)-2-arylethene:Source for synthesis of a new class of 3,4- disubstituted pyrroles and pyrazoles., A. Padmaja, RTOS-2011 held at Bharathidasan University, Tiruchirappalli, India. 35 Synthesis and antimicrobial activity of pyrrolyl/pyrazolyl arylaminosulfonylmethyl 1,3,4- oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles., A. Padmaja, A. Muralikrishna and C. Rajasekhar, National Conference on Anti-infective Drug Discovery and Development, October, 2011, held at IIT Madras, Chennai, India.

29 36 Synthesis of a new class of sufonamido bis heterocycles pyrrolyl/pyrazolyl 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles., A. Padmaja, A. Muralikrishna and C. Rajasekhar, National Seminar on The Role of Chemistry in Monitoring the Environment (NSCME), October, 2011, held at Tirupati, India. 37 The reactivity of gem cyanoester ketene dithiolates towards the development of potent antioxidant hetercycles., V. Padmavathi, B. C. Venkatesh, C. Prema Kumari and A. Padmaja, National Seminar on Recent Advances in Heterocyclic Chemistry (NSRAHC), November, 2011, held at JNTU, Hyderabad, India. 38 Synthesis of isoindolyl substituted 1,3,4-oxadiazoles/thiadiazoles and 1,2,4-triazoles., A. Padmaja, G. Lavanya and A Muralikrishna, UGC-National Seminar on Current Trends And Developments in Organic Syntheis (CTDOS), December, 2011, held at Tirupati, India. 39 Synthesis of novel amide linked pyrazolyl-benzoxazoles, benzothiadiazoles and benzimidazoles., A. Padmaja, S. Durgamma, A. Muralikrishna and L. Mallikarjuna Rao, National Seminar on Recent Research Trends in Chemical Sciences (RRTCS), December, 2011, held at Tirupati, India. 40 N-Phenylsulfonyl cinnamamide-source for the synthesis of biologically potent pyrazoles and isoxazoles., A. Padmaja, G. Mallikarjuna Reddy, C. Rajasekhar and G. Lavanya, National Seminar on Recent Research Trends in Chemical Sciences (RRTCS), December, 2011, held at Tirupati, India. 41 Synthesis of biologically active bis 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles., A. Padmaja, G. Lavanya, S. Durgamma and G. Mallikarjuna Reddy, National Conference on Biotic and Abiotic Molecules-Their Health Effects and Therapeutic Applications (BAMHT), DST-Purse, February, 2012, held at Tirupati, India. 42 Synthesis, antimicrobial and cytotoxical activities of sulfonyl linked bis heterocycles., A. Padmaja, A. Muralikrishna, G. Mallikarjuna Reddy and S. Pulla Reddy, National Seminar on Recent Research Trends in Synthetic Organic and Natural Products Chemistry, March, 2012, held at Tirupati, India. 43 Synthesis of methanesulfonyl linked pyrazolyl-oxazolines/ thiazolines and isoxazolyl oxazolines/thiazolines., A. Padmaja, C. Rajasekhar, K. Syamaiah and P. Malakondaiah, National Seminar on Recent Research Trends in Synthetic Organic and Natural Products Chemistry, March, 2012, held at Tirupati, India.