Crystal, Molecular, and Electronic Structure of 1-Acetylindoline and Derivatives
|
|
- Dina Barnett
- 6 years ago
- Views:
Transcription
1 Structural Chemistry, ol. 9, No. 5, 1998 Crystal, Molecular, and Electronic Structure of 1-Acetylindoline and Derivatives M. M. Torres Moreno,1 R. H. A. Santos,2 M. T. P. Gambardella,2 A. J. Camargo,2 A. B. F. da Silva,2,3 and M. Trsic2 Received April 11, 1997; revised April 14, 1998; accepted April 28, 1998 The crystal and molecular structures of the following molecules have been determined: 1-acetylindoline, 1-acetyl-5-nitro-indoline, l-acetyl-5-nitro-7-bromo-indoline, 1-acetyl-5-bromo-7-nitroindoline, and l-acetyl-5-bromo-7-nitro-indol. Molecular orbital calculations are performed for these compounds and two related species. KEY WORDS: 1-Acetyl-indoline; crystal structure; electronic structure; AM1 calculation; CI calculation. INTRODUCTION The photosolvolisis of nitroderivatives of 1-acetylindoline (see Fig. 1) has been known since 1976 [1, 2]. Nitro derivatives of 1-acetyl-indole undergo the same reaction [3]. The reaction does not take place in the absence of the nitro group in the 7 position [3]. In order to provide a better understanding of these chemical species we have determined X-ray crystal and molecular structures of the following compounds: 1-acetyl-indoline (), l-acetyl-5-nitro-indoline (), l-acetyl-5-nitro-7-bromo-indoline (), l-acetyl-5- bromo-7-nitro-indoline (), and l-acetyl-5-bromo-7- nitro-indol () [4]. The results of the X-ray study are described in the next section. Then we report molecular orbital (MO) calculations for the same compounds, plus the debrominated 1-acetyl-7-nitro-indoline (I) and 1-acetyl-7-nitro-indol (II) species. 1 Departamento de Petrologia, Instituto de Geociencias UNESP, P.O. Box 178, , Rio Claro, SP, Brasil. 2 Departamento de Quimica e Fisica Molecular, Instituto de Quimica de Sao Carlos, Universidade de Sao Paulo, P.O. Box 780, , Sao Carlos, SP, Brasil. 3Correspondence should be directed to A. B. F. da Silva, Departamento de Quimica de Sao Carlos, Universidade de Sao Paulo, P.O. Box 780, , Sao Carlos, SP, Brasil; Alberico@iqsc.sc.usp.br Fig. 1. Chemical formulae of the molecules studied by X-ray diffraction $ Plenum Publishing Corporation
2 366 Torres Moreno et al. Crystal and Molecular Structure Determination The crystal structures of compounds I to were obtained from a CAD-4 Enraf-Nonius automatic diffractometer and all structures were solved using direct methods [7]. The refinement was carried out by full-matrix least squares calculations [8] with anisotropic thermal parameters for non-h-atoms and isotropic thermal parameters (6 A 2 ) for H atoms. The crystal data and conditions are shown in Table I. In the refinement of the structures the minimized function was Ew i (k F 0 \ - \F C \) 2 with w i -1 = a 2 (F 0 ) + pf 2 for observed reflections, except in compound, where unit weights were used and w = 0 for nonobserved reflections. The H positions were assumed by the geometries of the bonded atoms and the H coordinates were recalculated after each refinement cycle until the final convergence with maximum least squares shifte.s.d. < 1 was obtained. The final converged values for R and R w and the maximum electron density calculated after the last refinement cycle are shown in Table I. Final atomic parameters for the non-h-atoms are given in Table II. (A list of structure factors, anisotropic thermal parameters, and hydrogen positions are available from the authors on request.) The bond lengths and angles are shown in Tables and. The torsion angles are given in Table. Some important planes and atomic distances to them are indicated in Table I. The bond distances in the benzene ring of compound are the same as in the benzene molecule and the variations observed in the substituted molecules can be attributed to the substituent influence. In compound, the C=O distance has a usual value (1.16(1) A), and in, for the two independent molecules, the intramolecular distance between the carboxyl oxygen and one of the nitro group oxygens is very short (2.7 A), probably due to the reduction of the indolinic ring tensions. Table I. Crystal Data for the Compounds I to Compound formula I C 10 H 11 ON C 10 H 10 N C 10 H 9 N 2 O 3 Br C 10 H 9 N 2 O 3 Br C 10 H 7 N 2 O 3 Br Formula wt. Space group a (A) b (A) c (A) a ( o ) B ( ) r ( o ) v (A 3 ) z D c (g.cm- 3 ) F(000) u MoKa (cm -1 ) Size (mm.10 2 ) Scan type Range 2o max. ( ) Unique data I > 3e(I) N variables Final R Final Rw Rall S* w** (p ) Pbca 9.439(2) (2) (4) 1691(1) x 10 x 40 w -2o 0 < h < 10 0 < k < 13 0 < < P2 1 c (2) (2) 7.425(3) (2) 983.0(8) x 10 x 30 w -2o -13 < h < 13 0 < k < 14 0 < < , w = P (2) 72.01(1) 87.02(2) 64.97(2) 528.3(2) x 20 x 30 w -2o -8 < h < 8-8 < k < 9 0 < l < P2 1 c (2) 9.019(2) 8.724(2) (7) x 20 x 30 w-2e -16 < h < 16 0 < k < 10 0 < < , P2 1 c (2) 7.051(1) (3) 93.14(2) (6) x 10 x 30 u < h < 14 0 < k < 8 0 < l < , *S = [Ew( F 0 - F C ) 2 (N - M)] 12 **w = 1.000[<r 2 (F 0 ) + p(f 0 ) 2 ]
3 Structure of 1-Acetyl-indoline and Derivatives 367 Table II. Atomic Coordinates and Isotropic-Equivalent Temperature Factors (A 2 ) with e.s.d.'s. for Compounds to Atom Xa Yb Zc B eq Compound I N(l) Compound II 0(3) N(l) Compound Br 0(3) N(l) Compound Br O(l) O(2) O(3) N(1) (2) (2) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (1) (1) (9) (1) 0.386(1) 0.263(1) 0.077(1) 0.043(1) 0.114(1) 0.229(1) 0.269(1) 0.196(1) 0.591(1) (1) (3) (4) (4) (4) (4) (5) (5) (5) (5) (4) (4) (4) (4) (5) (7) (5) (5) (5) (5) (5) (7) (6) (8) (6) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) 0.859(1) 0.709(1) 0.887(1) (9) 0.789(2) 0.759(2) 0.571(1) 0.535(1) 0.659(1) 0.766(2) 0.858(1) 0.842(1) (1) 0.96(1) (0) (3) (4) (4) (4) (4) (4) (5) (5) (4) (4) (4) (4) (4) (4) (6) (2) (8) (8) (9) (9) (1) 0.167(1) 0.425(1) 0.503(1) 0.383(1) (1) (1) (2) (2) (2) (2) (1) (1) (2) 0.298(2) (2) (2) 0.214(1) (2) 0.295(2) 0.203(2) 0.096(2) (2) (2) (2) 0.076(2) 0.111(2) (20) (0) (2) (2) (3) (2) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (4) (1) (8) (8) (9) (8) 0.305(1) 0.346(1) 0.403(1) (7) 3.69(6) 4.13(8) 4.62(9) 4.24(8) 4.61(8) 4.91(9) 4.78(9) 4.22(8) 3.63(7) 3.71(1) 5.2(1) 8.9(5) 11.9(8) 12.2(7) 4.6(4) 1 5.7(6) 6.4(6) 6.7(6) 6.0(6) 5.7(6) 5.9(6) 5.3(5) 4.5(5) 5.1(5) 8.0(7) 3.25(2) 3.5(1) 4.9(2) 5.5(2) 2.7(1) 3.6(2) 3.1(2) 3.9(2) 3.5(2) 2.8(2) 2.7(2) 2.6(2) 2.4(2) 2.4(2) 2.7(2) 5.0(3) 4.89(5) 2.1(3) 4.6(3) 4.7(3) 2.9(4) 3.2(4) 3.7(4) 4.8(5) 3.3(4)
4 368 Torres Moreno et al. Table II. Continued Atom Compound a Br(1) 0(3) N(1) Compound b Br(2) 0(11) 0(21) 0(31) N(11) N(21) C(11) C(21) C(31) C(41) C(51) C(61) C(71) C(81) C(91) C(101) Xa (7) (7) (8) (7) (8) Yb (1) 0.115(2) 0.242(2) 0.379(1) 0.223(1) Zc 0.149(1) 0.181(1) 0.254(1) 0.293(1) 0.266(1) 0.431(1) B eq 3.2(4) 4.0(5) 2.8(5) 3.0(4) 3.1(5) 4.3(5) (1) (5) (5) (6) (5) (5) (7) (7) (7) (6) (6) (6) (6) (6) (6) (7) (2) 0.167(1) 0.182(1) 0.434(1) (9) 0.288(1) 0.248(2) 0.316(1) 0.289(1) 0.223(1) 0.192(1) 0.204(1) 0.242(1) 0.262(1) 0.256(1) 0.319(1) (0) (3) (3) (3) (3) (3) (4) (4) (3) (3) (3) (3) (3) (3) (3) (4) 4.06(3) 4.7(3) 5.9(3) 4.9(3) 2.6(3) 3.5(3) 3.8(4) 3.5(4) 2.8(3) 2.8(3) 2.8(3) 2.5(3) 2.1(3) 2.4(3) 4.2(4) (1) (4) (5) (5) (5) (6) (7) (7) (7) (7) (7) (6) (7) (6) (6) (6) (2) (9) (1) (9) 0.334(1) 0.235(1) 0.303(1) 0.305(1) 0.289(1) 0.282(1) 0.291(1) 0.298(1) 0.294(1) 0.296(1) 0.267(2) (0) (2) (3) (2) (2) (3) (4) (3) (3) (3) (4) (3) (3) (3) (3) (4) 4.76(4) 3.4(2) 5.1(3) 4.1(2) 2.4(2) 2.7(3) 3.4(4) 2.7(3) 2.8(3) 2.1(3) 2.4(3) 4.7(4) Table. Bond Lengths (A) with e.s.d's. for the Compounds I to -C(1) N(1)-C(1) N(1)- N(1)- C(1) (3) 1.353(4) 1.481(4) 1.412(3) 1.503(4) 1.536(4) II (2) 1.48(2) 1.42(1) 1.51(3) 1.51(2) 1.207(5) 1.380(4) 1.498(6) 1.399(4) 1.495(5) 1.527(5) 1.16(1) 1.41(1) 1.49(1) 1.41(1) 1.53(1) 1.54(1) a 1.18(1) 1.46(2) (9) 1.52(1) 1.35(1) b 1.19(2) 1.42(2) 1.42(1) 1.400(9) 1.51(1) 1.31(1)
5 Structure of 1-Acetyl-indoline and Derivatives 369 Table HI. Continued O(2)- 0(3)- - - Br- Br (3) 1.393(4) 1.382(3) 1.367(4) 1.392(3) 1.390(4) 1.389(3) II (2) 1.42(2) (2) 1.43(2) 1.37(2) 1.22(3) 1.24(3) 1.48(2) 1.510(6) 1.388(6) 1.373(4) 1.384(4) 1.382(4) 1.397(5) 1.389(4) 1.204(5) 1.232(5) 1.460(4) 1.877(3) 1.51(2) 1.45(1) (2) 1.33(1) 1.37(2) 1.44(2) 1.27(1) (2) 1.908(9) a 1.43(1) 1.36(1) (2) 1.37(2) 1.39(2) 1.42(2) 1.22(1) 1.21(1) 1.47(2) 1.882(8) b 1.45(2) (1) 1.36(1) (2) 1.43(2) 1.24(1) 1.21(1) 1.45(2) 1.913(8) Table. Intramolecular Bond Angles ( ) with e.s.d's. for the Compounds to C(1)-N(1)- C(1)-N(1)- -N(1)- O(1)-C(1)-N(1) -C(1)- N(1)-C(1)- N(1) N(1)-- N(1) O(2)--0(3) O(2)-- O(3)-- O(2)-- O(3) Br-- Br-- Br-- Br (2) 126.3(2) 110.2(2) 121.5(2) 121.8(2) 116.8(3) 104.8(2) 104.2(2) 118.5(2) 120.7(2) 121.7(2) 117.5(2) 129.3(2) 109.7(2) 121.0(3) 128.8(2) 110.5(2) 120.7(3) II 126(1) 127(1) 108(1) 122(1) 123(1) 115(1) 106(1) 105(1) 115(1) 126(1) 119(1) 117(1) 128(2) 112(2) 121(1) 129(1) 109(1) 121(1) 125(2) 117(2) 118(2) 117(1) 117(2) 122.3(3) 123.3(3) 107.3(2) 121.3(3) 122.1(3) 116.7(3) 105.1(3) 102.8(3) 117.1(3) 122.7(3) 119.4(3) 118.6(3) 128.6(3) 111.0(3) 120.3(3) 129.0(3) 109.6(3) 121.4(4) 126.3(3) 118.6(3) 118.1(3) 118.5(3) 118.7(3) 118.4(2) 122.8(2) 124.1(8) 123.1(9) 108.7(9) 123.3(8) 125.3(9) 111.4(8) 105.5(7) 105.1(8) 117(1) 121.7(9) 119(1) 125(1) 131(1) 112(1) 116.7(9) 131(2) 107.7(9) 121(2) 123.6(9) 115.5(8) 120.8(9) 113(2) 122(1) 114.0(7) 124.3(8) a 124.4(7) 123.9(7) 108.5(7) 119.1(8) 126.6(8) 114.2(8) 108.7(7) 109.0(7) 118.8(8) 121.4(8) 120.0(7) 120.1(7) 132.9(7) 108.2(7) 119.0(7) 133.8(7) 105.7(7) 120.5(8) 125.7(8) 117.1(8) 117.1(8) 116.2(7) 123.0(7) 120.8(6) 117.8(6) b 123.8(6) 125.9(6) 106.5(6) 121.8(7) 122.2(9) 115.9(7) 111.0(7) 109.3(7) 116.6(8) 123.1(7) 120.7(7) 118.7(8) 133.2(8) 108.4(6) 118.4(7) 132.7(7) 104.9(7) 122.4(7) 124.8(8) 116.2(2) 119.0(7) 118.3(7) 122.5(7) 117.8(7) 119.2(7)
6 370 Torres Moreno et al. Table. Selected Torsion Angles ( ) with e.s.d's. for the Compounds to -N(1)-C(1)-O(1) -N(1)-C(1)- -N(1)-C(1)- -N(1)-C(1)- C(1)-N(1)-- -N(1)-- C(1)-N(1)-- C(1)-N(1)-- -N(1)-- -N(1)-- N(1) ~ N(1) --- N(1)--- N(1) N(1) O(2)--- O(2)--- O(3)--- O(3)--- O(2)--- O(2)--- O(3)--- O(3)--- Br--- Br--- Br--- Br---N(l) Br (2) 0.8(3) -4.7(4) 176.4(2) (2) 6.0(3) 2.2(4) (2) 178.4(2) -2.0(3) -7.3(3) (3) 6.6(3) 0.7(4) (3) 0.7(4) -0.9(4) -0.3(4) (2) 1.7(4) -3.0(3) 178.4(2) 176.6(2) -1.9(4) II -2(2) 6(2) -175(1) -178(1) -4(1) -2(2) 177(1) -176(1) 2(1) 3(1) 178(1) -1(2) 2(2) -177(1) -3(2) -178(1) 3(2) 18-1(2) -4(2) 175(1) -2(2) (3) 31.5(5) -3.4(5) 177.9(3) 130.3(3) -20.7(4) 49.2(5) (2) (3) 15.2(4) 18.0(3) 170.1(3) -9.8(4) 2.6(5) (3) (3) 2.5(5) -3.0(5) 179.0(3) -1.8(5) (3) 6.8(5) -3.1(4) 177.0(3) 172.6(3) -7.3(5) 2.0(5) (3) (3) -0.3(5) (2) 7.2(5) (2) 158.1(9) -23(1) 4(1) (9) (8) 10.9(9) -32(1) 152.0(9) 171(1) -6(1) -12(1) -177(1) 8(1) 1(1) -177(1) -4(1) -1(1) 3.9(2) (9) 177.3(9) -6(1) (8) -9(2) 167.3(9) (9) 6(1) -48(1) 137.5(9) 128.4(9) -46(1) 179.5(7) 179.6(8) mol a (9) 3 5(1) (8) 157.6(8) -2.6(9) 24(1) (8) (9) 2.0(9) 2(1) 178.9(9) -1(1) 4(1) 178.5(9) 168.7(8) (8) 4(1) -0.6(9) 179.5(7) 12(1) (8) 177.4(8) 49(1) (8) (8) 44(1) 179.6(6) (6) mol b 149.5(8) -3-5(1) 175.3(8) (8) -0.5(9) -26(1) 157.7(7) 176.1(9) -0.6(8) 1(1) 178.0(9) -1.6(9) -3(1) 179.7(8) -1(1) 3(1) 1(1) (8) 179.4(8) -4(1) 1.3(8) (7) -9(1) 167.5(7) (7) 4(1) -47(1) 141.1(8) 130.5(8) -41(1) (6) (6) Assuming the benzene ring in planar (plane B), one can observe that the carbonyl group (C(1)-O(1)) has the largest distance to this plane caused by the coplanarity of the nitro group (plane N) to plane B. MOLECULAR ORBITAL CALCULATIONS Semiempirical quantum chemical calculations were performed for the molecule shown in Fig. 1 plus two related compounds. The AM1 procedure as implemented in AMPAC 5.0 (Semichem, Inc.) was employed. The electron density distribution and electronic spectra of compounds I to II were calculated. Figure 2 shows the net atomic charges for all the molecules being studied. The ring N atom has a small positive charge in all cases, while the -NO2 group N atom has a large positive charge as a result of polarization by the oxygen atoms. The positive charge for nitrogen induces a negative charge on the linked C atom.
7 Structure of 1-Acetyl-indoline and Derivatives 371 Table I. Atomic Distances with e.s.d's. (A) to the Least-Square Planes and Dihedral Angles Between the Planes ( ) for the Compounds to Plane A: O(l), N(l),,, Plane B:,,,,, Plane N:, O(2), O(3) mol a mol b Br 0(3) N(l) A-B A-N B-N 0.002(2) (3) 0.003(3) 0.006(2) (2) 0.007(2) (2) (2) (2) (3) 0.066(3) (3) 0.01(1) (1) (1) -0.03(1) 0.02(2) 0.02(2) 0.03(2) (3) 0.026(3) (3) (3) 0.041(3) (3) (1) 1.677(2) 0.097(3) 0.063(3) 0.075(3) 0.062(3) 0.936(3) (4) (4) 0.881(4) Dihedral Angles (2) 2(6) 0.005(9) 0.006(9) 0.003(9) -0.02(1) 0.031(9) 0.02(1) (7) 0.460(7) (7) 0.065(7) (9) 0.668(9) (9) 0.02(1) (5) 54.7(7) 48.4(5) 0.021(8) (8) 0.000(8) 0.023(9) (8) 0.002(8) (1) (7) (8) 1.206(7) (7) (1) 0.005(9) 0.006(9) (4) 52.3(7) 49.2(5) 0.025(8) (8) 0.029(7) (8) 0.107(1) 1.048(6) 0.413(7) (7) 0.049(6) (8) 0.524(9) 0.002(8) (8) 0.34(1) 152.4(3) 48.6(6) 135.1(4) Fig. 2. Calculated net atomic charges for compounds to II.
8 372 Torres Moreno et al. Fig. 3. Calculated bond indexes for compounds I to II. Table II. Calculated and Measured Lowest Electronic Transitions for Compounds to II Compound Nature of the transition Wavelength (nm) Oscillator strength Measured peaks [5, 6] Compound Nature of the transition Wavelength (nm) Oscillator strength Measured peaks [5, 6] T -» T* *-» T* 7 -> f* K -> T* f -> i* 7 -» T* 7 -> T* - a* I -» T* - a*" i -> T* _ I II T -> f* i -> T* 7 -> T* - a*" T -> r* r -> T* _ aas a result of the nonstrict planarity of the molecules, some mixing of quasi-r and quasi-r orbitals may appear.
9 Structure of 1-AcetyI-indoline and Derivatives 373 The O atom in the acetyl group has a negative charge, polarizing the neighboring carbon atom. Figure 3 displays the calculated bond indexes. The C Br bond is estimated as a single bond, the CO linkage is quasi a double bond, and NO has a bond index of 1 12as expected. The benzenoid ring shows an aromatic character and the difference between indoline and indol 5-membered rings shows an increase of half a bond where the double linkage is assumed (between atoms 2 and 3). Table II shows the lowest electronic transitions and a few measured peaks. The calculated values were obtained with the aid of configuration interaction (CI) and the AM1 routine. The CI calculation included the last 10 higher-occupied orbitals and the first 10 virtual orbitals. This generates ca. 2 X 10 5 microstates from which ~ 100 microstates are selected. The nature of the transitions, the wavelength, and the oscillator strengths are reported. All molecules show a first absorption at nm. The last theoretical transition shown is at approximately 250 nm. There is a good correspondence between the measured peaks and the calculated transitions available. CONCLUDING REMARKS X-ray diffraction analysis was employed for the structural characterization of 1-acetyl-indoline and nitro and bromo derivatives; a bromo-nitro indol compound was also included in the study. The same and related compounds were examined by semiempirical quantum chemical calculations with the main purpose of providing the lowest electronic transitions and electron density distribution. ACKNOWLEDGMENTS We are gratefull to Prof. G. Goissis and Mrs.. C. A. Martins for providing the crystal samples. This work had financial support from CNPq and FINEP (Brazilian agencies). Certain of the results in this paper were developed with the assistance of AMP AC 5.0, a quantum chemistry program for Semichem, Inc. REFERENCES 1. Amit, B.; Ben-Efrain, D. A.; Patchomik, P. J. Am. Chem. Soc. 1976, 98, Goissis, G.; Erikson, B. W.; Merrifield, R. B. Proceedings of the Fifth American Peptide Symposium; John Wiley: New York, 1976, p Goissis, G. Private communication. 4. All the crystal samples were provided by Prof. G. Goissis, Institute de Quimica de Sao Carlos, Universidade de Sao Paulo. 5. Pepato, M. T. Dissertation; University of Sao Paulo, Martins,. C. A. Dissertation; University of Sao Paulo, Sheldrick, G. M. SHELXS 86. In Crystallographic Computing 3; G. M. Sheldrick, C. Kruguer, and R. Goddard, eds.; Oxford University Press, Sheldrick, G. M. SHELX 76: Program for Crystal Structure Determination; University of Cambridge: England, 1976.
organic papers 2-Iodo-4-nitro-N-(trifluoroacetyl)aniline: sheets built from iodo nitro and nitro nitro interactions
organic papers Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 2-Iodo-4-nitro-N-(trifluoroacetyl)aniline: sheets built from iodo nitro and nitro nitro interactions Simon J. Garden,
More informationorganic papers Acetone (2,6-dichlorobenzoyl)hydrazone: chains of p-stacked hydrogen-bonded dimers Comment Experimental
organic papers Acta Crystallographica Section E Structure Reports Online Acetone (2,6-dichlorobenzoyl)hydrazone: chains of p-stacked hydrogen-bonded dimers ISSN 1600-5368 Solange M. S. V. Wardell, a Marcus
More informationCrystal structure of DL-Tryptophan at 173K
Cryst. Res. Technol. 39, No. 3, 274 278 (2004) / DOI 10.1002/crat.200310182 Crystal structure of DL-Tryptophan at 173K Ch. B. Hübschle, M. Messerschmidt, and P. Luger* Institut für Chemie / Kristallographie,
More informationCHAPTER 6 CRYSTAL STRUCTURE OF A DEHYDROACETIC ACID SUBSTITUTED SCHIFF BASE DERIVATIVE
139 CHAPTER 6 CRYSTAL STRUCTURE OF A DEHYDROACETIC ACID SUBSTITUTED SCHIFF BASE DERIVATIVE 6.1 INTRODUCTION This chapter describes the crystal and molecular structure of a dehydroacetic acid substituted
More informationOrthorhombic, Pbca a = (3) Å b = (15) Å c = (4) Å V = (9) Å 3. Data collection. Refinement
organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 N 0 -(3,4-Dimethylbenzylidene)furan-2- carbohydrazide Yu-Feng Li a and Fang-Fang Jian b * a Microscale Science
More information2-Methoxy-1-methyl-4-nitro-1H-imidazole
University of Wollongong Research Online Australian Institute for Innovative Materials - Papers Australian Institute for Innovative Materials 2007 2-Methoxy-1-methyl-4-nitro-1H-imidazole Maciej Kubicki
More informationCIF access. Redetermination of biphenylene at 130K. R. Boese, D. Bläser and R. Latz
CIF access Acta Cryst. (1999). C55, IUC9900067 [ doi:10.1107/s0108270199099163 ] Redetermination of biphenylene at 130K R. Boese, D. Bläser and R. Latz Abstract Biphenylene is one of the key compounds
More informationCrystal and Molecular Structures of Monomethyl Esters of PDE-I and PDE-II, New Inhibitors of Cyclic Adenosine-3',5'-monophosphate Phosphodiesterase
Agric. Biol. Chem., 42 (7), 1337-1342, 1978 Crystal and Molecular Structures of Monomethyl Esters of PDE-I and PDE-II, New Inhibitors of Cyclic Adenosine-3',5'-monophosphate Phosphodiesterase Hikaru NAKAMURA,
More informationSupporting Information
Selective Hg 2+ sensing behaviors of rhodamine derivatives with extended conjugation based on two successive ring-opening processes Chunyan Wang a,b and Keith Man-Chung Wong a,b * a Department of Chemistry,
More informationSupporting information. for. isatins and α-amino acids
Supporting information for The regioselective synthesis of spirooxindolo pyrrolidines and pyrrolizidines via three-component reactions of acrylamides and aroylacrylic acids with isatins and α-amino acids
More informationExperimental. Crystal data
electronic papers Acta Crystallographica Section C Crystal Structure Communications ISSN 0108-2701 catena-poly[fac-trichloromethyltin(iv)-l-[meso-1,2-bis(phenylsulfinyl)ethane-o:o 0 ]] Maria Teresa do
More informationAPPENDIX E. Crystallographic Data for TBA Eu(DO2A)(DPA) Temperature Dependence
APPENDIX E Crystallographic Data for TBA Eu(DO2A)(DPA) Temperature Dependence Temperature Designation CCDC Page 100 K MLC18 761599 E2 200 K MLC17 762705 E17 300 K MLC19 763335 E31 E2 CALIFORNIA INSTITUTE
More informationSupporting Information. Chiral phosphonite, phosphite and phosphoramidite η 6 -areneruthenium(ii)
Supporting Information Chiral phosphonite, phosphite and phosphoramidite η 6 -areneruthenium(ii) complexes: application to the kinetic resolution of allylic alcohols. Mariano A. Fernández-Zúmel, Beatriz
More informationSUPPLEMENTARY INFORMATION
Electronic Supplementary Material (ESI) for CrystEngComm. This journal is The Royal Society of Chemistry 2014 SUPPLEMENTARY INFORMATION Quasi-Enantiomeric Single-Nucleoside and Quasi-Racemic Two-Nucleosides
More informationCALIFORNIA INSTITUTE OF TECHNOLOGY BECKMAN INSTITUTE X-RAY CRYSTALLOGRAPHY LABORATORY
APPENDIX F Crystallographic Data for TBA Tb(DO2A)(F-DPA) CALIFORNIA INSTITUTE OF TECHNOLOGY BECKMAN INSTITUTE X-RAY CRYSTALLOGRAPHY LABORATORY Date 11 January 2010 Crystal Structure Analysis of: MLC23
More informationCOPPER(I) COMPLEXES WITH N-ALLYLAZOMETHINES. IN STRUCTURE FORMATION OF 2CuBr R CH=N C 3 H 5 (R = 2-FURYL) AND CuBr R CH=N C 3 H 5 (R = PHENYL)
Journal of Structural Chemistry, Vol. 41, No. 5, 2000 COPPER(I) COMPLEXES WITH N-ALLYLAZOMETHINES. THE ROLE OF π- AND σ-coordination IN STRUCTURE FORMATION OF 2CuBr R CH=N C 3 H 5 (R = 2-FURYL) AND CuBr
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Bis(3-benzoyl-1,1-di-sec-butylthioureatoj 2 O,S)palladium(II) N. Selvakumaran, a R. Karvembu, a Seik Weng
More information= (8) V = (8) Å 3 Z =4 Mo K radiation. Data collection. Refinement. R[F 2 >2(F 2 )] = wr(f 2 ) = S = reflections
organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 1-(3-Amino-1H-inden-2-yl)ethanone Dong-Yue Hu and Zhi-Rong Qu* Ordered Matter Science Research Center, College
More informationExperimental. Crystal data. C 18 H 22 N 4 O 6 M r = Monoclinic, P2=n a = (5) Å b = (4) Å c = (5) Å = 104.
organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Ethyl 5-((1E)-1-{(E)-2-[1-(4-ethoxycarbonyl-3-methyl-1,2-oxazol-5-yl)ethylidene]hydrazin-1-ylidene}ethyl)-3- methyl-1,2-oxazole-4-carboxylate
More informationSupporting Information. Copyright Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, 2008
Supporting Information pyright Wiley-VCH Verlag GmbH &. KGaA, 69451 Weinheim, 2008 Time-Evolving Self-rganization and Autonomous Structural Adaptation of balt(ii) rganic Framework Materials with Nets scu
More informationSodium 3,5-dinitrobenzoate
metal-organic papers Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Helen P. Jones,* Amy L. Gillon and Roger J. Davey Colloids, Crystals and Interfaces Group, School of Chemical
More informationSupramolecular structure of phellopterin isolated from the roots of heracleum thomsoni: A furanocoumarin
Indian Journal of Pure & Applied Physics Vol. 53, December 2015, pp. 808-812 Supramolecular structure of phellopterin isolated from the roots of heracleum thomsoni: A furanocoumarin Bandhan Sharma* Department
More informationSupplementary Information
J. Braz. Chem. Soc., Vol. 21, No. 5, S1-S19, 2010. Printed in Brazil - 2010 Sociedade Brasileira de Química 0103-5053 $6.00+0.00 Synthesis of Novel Room Temperature Chiral Ionic Liquids. Application as
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 = 86.130 (2) = 81.155 (2) = 76.289 (3) V = 699.69 (4) Å 3 Z =2 Mo K radiation = 1.58 mm 1 T = 293 (2) K
More information3-methoxyanilinium 3-carboxy-4-hydroxybenzenesulfonate dihydrate.
3-methoxyanilinium 3-carboxy-4-hydroxybenzenesulfonate dihydrate. Author Smith, Graham, D. Wermuth, Urs, Healy, Peter Published 2006 Journal Title Acta crystallographica. Section E, Structure reports online
More informationorganic papers 2,6-Diamino-3,5-dinitro-1,4-pyrazine 1-oxide Comment
organic papers Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 2,6-Diamino-3,5-dinitro-1,4-pyrazine 1-oxide Richard D. Gilardi a * and Ray J. Butcher b a Laboratory for the Structure
More informationConnellite from Bisbee, Arizona: a Single-Crystal X-ray Study
Connellite from Bisbee, Arizona: a SingleCrystal Xray Study David E. Hibbs School of Pharmacy, University of Sydney, NSW 2006, Australia Peter Leverett, Peter A. Williams* School of Natural Sciences, University
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Dichloridotris(trimethylphosphine)- nickel(ii) Ruixia Cao, Qibao Wang and Hongjian Sun* School of Chemistry
More informationPhthalocyanine-Based Single-Component
Phthalocyanine-Based Single-Component Molecular Conductor [Mn Ⅲ (Pc)(CN)] 2 O Mitsuo Ikeda, Hiroshi Murakawa, Masaki Matsuda, and Noriaki Hanasaki *, Department of Physics, Graduate School of Science,
More informationaddenda and errata [N,N 0 -Bis(4-bromobenzylidene)-2,2-dimethylpropane-j Corrigendum Reza Kia, a Hoong-Kun Fun a * and Hadi Kargar b
addenda and errata Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 [N,N 0 -Bis(4-bromobenzylidene)-2,2-dimethylpropane-j 2 N,N 0 ]iodidocopper(i). Corrigendum Reza Kia, a Hoong-Kun
More informationSupporting Information
Supporting Information One-Pot Access to Benzo[a]carbazoles via Palladium(II)-Catalyzed Hetero- and Carboannulations Moumita Jash, Bimolendu Das, and Chinmay Chowdhury* Organic & dicinal Chemistry Division,
More information,
2013. 54, 6. 1115 1120 UDC 548.737:547.12 CHARACTERIZATION AND CRYSTAL STRUCTURES OF SOLVATED N -(4-HYDROXY-3-NITROBENZYLIDENE)-3-METHYLBENZOHYDRAZIDE AND N -(4-DIMETHYLAMINOBENZYLIDENE)-3-METHYLBENZOHYDRAZIDE
More information= (3) V = (4) Å 3 Z =4 Mo K radiation. Data collection. Refinement. R[F 2 >2(F 2 )] = wr(f 2 ) = S = 1.
Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 4,4-Diacetylheptanedinitrile Guo-wei Wang, a Jian Zhang, a Ling-hua Zhuang, b Wen-yuan Wu b and Jin-tang Wang b * a Department of
More informationCrystal and molecular structure of N-(p-nitrobenzylidene)- 3-chloro-4-fluoroaniline
PRAMANA cfl Indian Academy of Sciences Vol. 55, No. 3 journal of September 2000 physics pp. 441 446 Crystal and molecular structure of N-(p-nitrobenzylidene)- 3-chloro-4-fluoroaniline K V ARJUNA GOWDA,
More informationInternational Journal of Innovative Research in Science, Engineering and Technology. (An ISO 3297: 2007 Certified Organization)
ISSN(Online) 2319-8753 ISSN (Print) 2347-6710 (An ISO 3297 2007 Certified Organization) Website www.ijirset.com X-Ray Crystallographic Investigation and Crystal Structure of 6-(2-Hydroxy-4,6- dimethyl-phenyl)-4-(2-methoxy-phenyl)5-
More informationRedetermination of Crystal Structure of Bis(2,4-pentanedionato)copper(II)
Asian Journal of Chemistry Vol. 20, No. 8 (2008), 5834-5838 Redetermination of Crystal Structure of Bis(2,4-pentanedionato)copper(II) HAMID GLCHUBIAN Department of Chemistry, Mazandaran University, P..
More informationorganic compounds 2-(3-Nitrophenylaminocarbonyl)- benzoic acid: hydrogen-bonded sheets of R 4 4 (22) rings Comment
organic compounds Acta Crystallographica Section C Crystal Structure Communications ISSN 0108-2701 2-(3-Nitrophenylaminocarbonyl)- benzoic acid: hydrogen-bonded sheets of R 4 4 (22) rings Christopher Glidewell,
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 2-Oxo-1,2-dihydropyrimidin-3-ium di-l- chlorido-bis{dichloridobis[pyrimidin- 2(1H)-one-jN 3 ]cuprate(ii)}
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 b = 8.2387 (7) Å c = 14.7510 (13) Å = 106.1050 (10) V = 1987.5 (3) Å 3 Z =4 Mo K radiation = 2.78 mm 1 T
More informationorganic compounds 3-Hydroxybenzaldehyde
organic compounds Acta Crystallographica Section C Crystal Structure Communications ISSN 0108-2701 3-Hydroxybenzaldehyde J. A. PaixaÄo, a * A. Matos Beja, a M. Ramos Silva, a L. Alte da Veiga a and A.
More informationData collection. Refinement. R[F 2 >2(F 2 )] = wr(f 2 ) = S = reflections
organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 (2-Methoxy-1,3-phenylene)diboronic acid Marek Dąbrowski, Sergiusz Luliński* and Janusz Serwatowski Warsaw University
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Poly[tetra-l-cyanido-dipyridinecadmium(II)zinc(II)] Sheng Li,* Kun Tang and Fu-Li Zhang College of Medicine,
More information(+-)-3-Carboxy-2-(imidazol-3-ium-1-yl)- propanoate
From the SelectedWorks of Kraig A. Wheeler 2009 (+-)-3-Carboxy-2-(imidazol-3-ium-1-yl)- propanoate Sara A. Reeb, Eastern Illinois University Marlesa C. Shields, Eastern Illinois University Kraig A. Wheeler,
More informationThe Crystal and Molecular Structures of Hydrazine Adducts with Isomeric Pyrazine Dicarboxylic Acids
The Open Crystallography Journal, 2008, 1, 31-36 31 Open Access The Crystal and Molecular Structures of Hydrazine Adducts with Isomeric Pyrazine Dicarboxylic Acids Wojciech Starosta and Janusz Leciejewicz*
More informationJ. Am. Chem. Soc., 1996, 118(17), , DOI: /ja953373m
J. Am. Chem. Soc., 1996, 118(17), 4090-4093, DOI:10.1021/ja953373m Terms & Conditions Electronic Supporting Information files are available without a subscription to ACS Web Editions. The American Chemical
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Diaquabis[bis(pyrazin-2-yl) sulfide-jn 4 ]- bis(thiocyanato-jn)iron(ii) monohydrate Susanne Wöhlert,* Inke
More informationCrystal growth and characterization of solvated organic charge-transfer complexes built on TTF and 9-dicyanomethylenefluorene derivatives
Electronic Supplementary Material (ESI) for CrystEngComm. This journal is The Royal Society of Chemistry 2015 Crystal growth and characterization of solvated organic charge-transfer complexes built on
More informationEthylene Trimerization Catalysts Based on Chromium Complexes with a. Nitrogen-Bridged Diphosphine Ligand Having ortho-methoxyaryl or
Ethylene Trimerization Catalysts Based on Chromium Complexes with a Nitrogen-Bridged Diphosphine Ligand Having ortho-methoxyaryl or ortho-thiomethoxy Substituents: Well Defined Catalyst Precursors and
More informationorganic papers Malonamide: an orthorhombic polymorph Comment
organic papers Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Malonamide: an orthorhombic polymorph Gary S. Nichol and William Clegg* School of Natural Sciences (Chemistry), Bedson
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 [1-(5-Bromo-2-oxidobenzylidene)thiosemicarbazidato-j 3 O,N 1,S](pyridinejN)nickel(II) Fernanda Rosi Soares
More informationData collection. Refinement. R[F 2 >2(F 2 )] = wr(f 2 ) = S = reflections 92 parameters
organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 1,1 0 -(Butane-1,4-diyl)dipyridinium dibromide dihydrate Ming-Qiang Wu, a Xin Xiao, a Yun-Qian Zhang, a * Sai-Feng
More information= (1) V = (12) Å 3 Z =4 Mo K radiation. Data collection. Refinement. R[F 2 >2(F 2 )] = wr(f 2 ) = S = reflections
organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 S-Benzylisothiouronium nitrate P. Hemalatha a and V. Veeravazhuthi b * a Department of Physics, PSG College of
More informationSupplementary Information
Electronic Supplementary Material (ESI) for CrystEngComm. This journal is The Royal Society of Chemistry 2018 Supplementary Information Macroscopic crystalline deformation in an organic dye during reversible
More informationelectronic reprint 2-Hydroxy-3-methoxybenzaldehyde (o-vanillin) revisited David Shin and Peter Müller
Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Editors: W.T. A. Harrison, H. Stoeckli-Evans, E. R.T. Tiekink and M. Weil 2-Hydroxy-3-methoxybenzaldehyde (o-vanillin) revisited
More information= 0.09 mm 1 T = 294 (2) K. Data collection. Refinement. R[F 2 >2(F 2 )] = wr(f 2 ) = S = reflections
organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 5-(3-Methoxyphenethyl)-4-(2-methoxyphenyl)-4H-1,2,4-triazol-3-ol = 0.09 mm 1 T = 294 (2) K Data collection Bruker
More informationSupporting Information for A Janus-type Bis(maloNHC) and its Zwitterionic Gold and Silver Metal Complexes
Supporting Information for A Janus-type Bis(maloNHC) and its Zwitterionic Gold and Silver Metal Complexes Ashley Carter, Alexander Mason, Michael A. Baker, Donald G. Bettler, Angelo Changas, Colin D. McMillen,
More informationSpin Transition and Structural Transformation in a
Supporting Information for Spin Transition and Structural Transformation in a Mononuclear Cobalt(II) Complex Ying Guo, Xiu-Long Yang, Rong-Jia Wei, Lan-Sun Zheng, and Jun Tao* State Key Laboratory of Physical
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 A binuclear cobalt(ii) complex of an NO 3 -donor Schiff base derived from 3-carboxylsalicylaldehyde and
More informationSpain c Departament de Química Orgànica, Universitat de Barcelona, c/ Martí I Franqués 1-11, 08080, Barcelona, Spain.
a Institute of Chemical Research of Catalonia, Av. Països Catalans, 16, 43007 Tarragona, Spain. b Departament de Química, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, E-08193 Barcelona, Spain
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Aqua(2,9-dimethyl-1,10-phenanthrolinej 2 N,N 0 )diformato-j 2 O,O 0 ;jo-nickel(ii) monohydrate Ping Xia,
More informationorganic papers 2-[(Dimethylamino)(phenyl)methyl]benzoic acid
organic papers Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 2-[(Dimethylamino)(phenyl)methyl]benzoic acid Yvette L. Dann, Andrew R. Cowley and Harry L. Anderson* University
More informationNew Journal of Chemistry. Synthesis and mechanism of novel fluorescent coumarindihydropyrimidinone. multicomponent reaction.
Electronic Supplementary Material (ESI) for ew Journal of Chemistry. This journal is The Royal Society of Chemistry and the Centre ational de la Recherche Scientifique 2015 ew Journal of Chemistry Synthesis
More informationHighly accurate Gaussian basis sets for low-lying excited states of some positive and negative ions
Indian Journal of Chemistry Vol. 46A, September 2007, pp. 1383-1387 Papers Highly accurate Gaussian basis sets for low-lying excited states of some positive and negative ions P J P de Oliveira & F E Jorge*
More informationSUPPLEMENTARY MATERIAL
10.1071/CH16716_AC CSIRO 2017 Australian Journal of Chemistry 2017, 70(5), 601-607 SUPPLEMENTARY MATERIAL New Heterodinuclear Zn/Ln (Ln = Gd, Tb, Er, Yb) Complexes of Hexadentate N,N -Bis(3-alkoxy-2-hydroxybenzyl)cyclohexane-
More informationelectronic reprint (2,4,6-Trinitrophenyl)guanidine Graham Smith, Urs D. Wermuth and Jonathan M. White Editors: W. Clegg and D. G.
Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Editors: W. Clegg and D. G. Watson (2,4,6-Trinitrophenyl)guanidine Graham Smith, Urs D. Wermuth and Jonathan M. White Copyright
More informationDecomposition of Ruthenium Olefin Metathesis. Catalysts
Supporting Information for: Decomposition of Ruthenium Olefin Metathesis Catalysts Soon Hyeok Hong, Anna G. Wenzel, Tina T. Salguero, Michael W. Day and Robert H. Grubbs* The Arnold and Mabel Beckman Laboratory
More informationSupporting Information
Supporting Information Jacques et al. 10.1073/pnas.0907775105 SI Text Crystal Structure Analysis. Crystallographic data are summarized in Table S2. Data collection was performed at 150 K with an Oxford-diffraction
More informationCrystal Structure of Dichlorodiaquabis-(pdimethylaminobenzaldehyde)manganese(II)
Turk J Chem 22 (1998), 273 278. c TÜBİTAK Crystal Structure of Dichlorodiaquabis-(pdimethylaminobenzaldehyde)manganese(II) Veysel T. YILMAZ, Turan K. YAZICILAR, Halis ÖLMEZ Ondokuz Mayıs University, Faculty
More informationElectronic Supplementary Information (ESI)
Electronic Supplementary Information (ESI) S1 Experimental Section: Materials and methods: All commercially available chemicals were used as supplied without further purification. The Q[5] was synthesized
More informationorganic compounds Melaminium acetate acetic acid solvate monohydrate
organic compounds Acta Crystallographica Section C Crystal Structure Communications ISSN 0108-2701 Melaminium acetate acetic acid solvate monohydrate Genivaldo Julio PerpeÂtuo a and Jan Janczak b,c * a
More informationCoordination Behaviour of Calcocene and its Use as a Synthon for Heteroleptic Organocalcium Compounds
Supporting Information Coordination Behaviour of Calcocene and its Use as a Synthon for Heteroleptic Organocalcium Compounds Reinald Fischer, Jens Langer, Sven Krieck, Helmar Görls, Matthias Westerhausen*
More information240 Chem. Aromatic Compounds. Chapter 6
240 Chem Aromatic Compounds Chapter 6 1 The expressing aromatic compounds came to mean benzene and derivatives of benzene. Structure of Benzene: Resonance Description C 6 H 6 1.It contains a six-membered
More informationIterative Synthetic Strategy for Azaphenalene Alkaloids. Total Synthesis of ( )-9a-epi-Hippocasine
Supporting Information for: Iterative Synthetic Strategy for Azaphenalene Alkaloids. Total Synthesis of ( )-9a-epi-Hippocasine Sílvia Alujas-Burgos, Cristina Oliveras-González, Ángel Álvarez-Larena, Pau
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Tetraaquabis(nicotinamide-jN 1 )nickel(ii) bis(2-fluorobenzoate) Tuncer Hökelek, a * Hakan Dal, b Barış
More informationZ =8 Mo K radiation = 0.35 mm 1. Data collection. Refinement. R[F 2 >2(F 2 )] = wr(f 2 ) = S = reflections
organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 4-Amino-3-(4-pyridyl)-1,2,4-triazole- 5(4H)-thione Fang Zou, Wei-Min Xuan, Xue-Ming Fang and Hui Zhang* State
More informationOrganic Chemistry II KEY March 27, 2013
rganic Chemistry II KEY March 27, 2013 Exam 2: VERSI C 1. Rank the dienophiles from most reactive to least reactive in the Diels Alder reaction (most>least) E I II III IV > II > III > IV b) III > I > II
More informationConformations and Structures of N,N -Bis(2-methoxybenzylidene)- 1,3-diamino-propanol and N,N -Bis(3-methoxybenzylidene)-1,3- diamino-propanol
Conformations and Structures of N,N -Bis(2-methoxybenzylidene)- 1,3-diamino-propanol and N,N -Bis(3-methoxybenzylidene)-1,3- diamino-propanol Mehmet Kabak a, Ayhan Elmali a, Yalçın Elerman a, and Ingrid
More information2FAMILIES OF CARBON COMPOUNDS:
P1: PBU/VY P2: PBU/VY Q: PBU/VY T1: PBU Printer: Bind Rite JWL338-02 JWL338-Solomons-v1 April 23, 2010 21:49 2AMILIES ARB MPUDS: UTIAL GRUPS, ITERMLEULAR RES, AD IRARED (IR) SPETRSPY SLUTIS T PRBLEMS 2.1
More informationOrganic Chemistry II KEY March 27, Which of the following reaction intermediates will form the fastest in the reaction below?
rganic Chemistry II KEY March 27, 2013 Exam 2: VERSI D 1. Which of the following reaction intermediates will form the fastest in the reaction below? C 1 equiv a 2 a) IV b) III c) II d) II & III e) I I.
More informationCrystal and molecular structure of cis-dichlorobis(triphenylphosphite)
Molecules 2001, 6, 777-783 molecules ISSN 1420-3049 http://www.mdpi.org Crystal and molecular structure of cis-dichlorobis(triphenylphosphite) Platinum(II) Seyyed Javad Sabounchei * and Ali Naghipour Chemistry.
More informationA and 4 molecules in the unit cell. Final atomic parameters have been obtained from a blockdiagonal
Crystal and molecular structure of the m-bromobenzoate derivative of bisnorquassin H. LYNTON Department of Chemistry, Uniuersity of New Brunswick, Fredericton, New Britns~vick Received July 4, 1969 The
More informationIron Complexes of a Bidentate Picolyl NHC Ligand: Synthesis, Structure and Reactivity
Electronic Supplementary Material (ESI) for Dalton Transactions. This journal is The Royal Society of Chemistry 2016 Supplementary Information for Iron Complexes of a Bidentate Picolyl HC Ligand: Synthesis,
More informationSUPPORTING INFORMATION
SUPPORTING INFORMATION Table of Contents S1 1. General materials and methods S2 2. Syntheses of {Pd 84 } and {Pd 17 } S3-S4 3. MS studies of {Pd 84 }, {Pd 17 } and the two-component reactions S5-S6 4.
More informationSynthesis and Structure of 7H-12-Oxa-3,7-diazapleiadenes
ISS 1070-4280, Russian Journal of rganic Chemistry, 2011, Vol. 47, o. 9, pp. 1329 1334. Pleiades Publishing, Ltd., 2011. riginal Russian Text V.V. Tkachev, G.V. Shilov, S.M. Aldoshin, Yu.A. Sayapin, Duong
More informationelectronic reprint Masanari Hirahara, Shigeyuki Masaoka and Ken Sakai Crystallography Journals Online is available from journals.iucr.
ISSN 1600-5368 Inorganic compounds Metal-organic compounds Organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Editors: W.T. A. Harrison, J. Simpson and M. Weil Bis(2,2
More informationSupporting Information. Rh(III)-Catalyzed C7-Thiolation and Selenation of Indolines
Supporting Information Rh(III)-Catalyzed C7-Thiolation and Selenation of Indolines Wucheng Xie, Bin Li, Baiquan Wang *,,, State Key Laboratory of Elemento-Organic Chemistry, Collaborative Innovation Center
More information4-(4-Hydroxymethyl-1H-1,2,3-triazol-1-yl)benzoic acid
University of Malaya From the SelectedWorks of Hairul Anuar Bin Tajuddin 2011 4-(4-Hydroxymethyl-1H-1,2,3-triazol-1-yl)benzoic acid Hairul Anuar Bin Tajuddin, University of Malaya Available at: https://works.bepress.com/hairulanuar_tajuddin/6/
More informationSynthetic, Structural, and Mechanistic Aspects of an Amine Activation Process Mediated at a Zwitterionic Pd(II) Center
Synthetic, Structural, and Mechanistic Aspects of an Amine Activation Process Mediated at a Zwitterionic Pd(II) Center Supporting Information Connie C. Lu and Jonas C. Peters* Division of Chemistry and
More informationb = (13) Å c = (13) Å = (2) V = (19) Å 3 Z =2 Data collection Refinement
organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 b = 12.4861 (13) Å c = 12.9683 (13) Å = 90.748 (2) V = 1051.10 (19) Å 3 Z =2 Mo K radiation = 3.87 mm 1 T = 193
More informationCrystal structure of 4,6-dinitro-l-(5-tetrazolyl)- 1H-indazole trihydrate
Journal of Cr)'stallographic and Spectroscopic Research, Iol. 14, No. 4, 1984 Crystal structure of 4,6-dinitro-l-(5-tetrazolyl)- 1H-indazole trihydrate D. S. SAKE GOWDA* and PUTTARAJA Department of Physics
More informationConstructing a MO of NH 3. Nitrogen AO symmetries are
Constructing a MO of NH 3 Nitrogen AO symmetries are To develop a MO scheme for NH 3 assume that only the 2s and2p orbitals of nitrogen interact with the hydrogen 1s orbitals (i.e., the nitrogen 1s orbital
More informationCrystal Structure of Nonaaquayttrium(III) Bromate at 100 K
Iran. J. Chem. Chem. Eng. Research Note Vol. 26, No.4, 2007 Crystal Structure of Nonaaquayttrium(III) Bromate at 100 K Abbasi, Alireza* + ; Badiei, Alireza School of Chemistry, University College of Science,
More informationConfiguration of the C(20) Epimer of 7,8-Dihydrobatrachotoxinin A (x-ray crystallography/frog/venom/phyllobates/cardioactive steroid)
Proc. Nat. Acad. Sci. USA Vol. 69, No. 10, pp. 2932-2936, October 1972 Configuration of the C(20) Epimer of 7,8-Dihydrobatrachotoxinin A (x-ray crystallography/frog/venom/phyllobates/cardioactive steroid)
More informationElectronic Supplementary Information for: Gram-scale Synthesis of a Bench-Stable 5,5 -Unsubstituted Terpyrrole
Electronic Supplementary Information for: Gram-scale Synthesis of a Bench-Stable 5,5 -Unsubstituted Terpyrrole James T. Brewster II, a Hadiqa Zafar, a Matthew McVeigh, a Christopher D. Wight, a Gonzalo
More informationSupporting Information. for. Angew. Chem. Int. Ed Wiley-VCH 2004
Supporting Information for Angew. Chem. Int. Ed. 246736 Wiley-VCH 24 69451 Weinheim, Germany 1 Challenges in Engineering Spin Crossover. Structures and Magnetic Properties of six Alcohol Solvates of Iron(II)
More informationA new synthetic route towards heterometallic 3d-3d and 3d-4f Single- Molecule Magnets. First Co II -Mn III heterometallic complex
Supplementary Information for A new synthetic route towards heterometallic 3d-3d and 3d-4f Single- Molecule Magnets. First Co II -Mn III heterometallic complex Guilherme P. Guedes,, Stéphane Soriano, Luiza
More informationExam (6 pts) Show which starting materials are used to produce the following Diels-Alder products:
Exam 1 Name CHEM 212 1. (18 pts) Complete the following chemical reactions showing all major organic products; illustrate proper stereochemistry where appropriate. If no reaction occurs, indicate NR :
More informationmetal-organic compounds
metal-organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 l-cyanido-j 2 C:N-dicyanido-j 2 C-bis(Nethylethylenediamine-j 2 N,N 0 )copper(ii)- copper(i) Peter W. R.
More informationNUCLEAR MAGNETIC RESONANCE AND INTRODUCTION TO MASS SPECTROMETRY
NUCLEAR MAGNETIC RESONANCE AND INTRODUCTION TO MASS SPECTROMETRY A STUDENT SHOULD BE ABLE TO: 1. Identify and explain the processes involved in proton ( 1 H) and carbon-13 ( 13 C) nuclear magnetic resonance
More informationSeth B. Harkins and Jonas C. Peters
Amido-bridged Cu 2 N 2 diamond cores that minimize structural reorganization and facilitate reversible redox behavior between a Cu 1 Cu 1 and a Class III delocalized Cu 1.5 Cu 1.5 species. Seth B. Harkins
More information