Literature DB >> 21587488

Dimethyl 3,3'-diphenyl-2,2'-[(S)-thio-phene-2,5-diylbis(carbonyl-aza-nedi-yl)]dipropano-ate tetra-hydro-furan monosolvate.

Guangming Xia, Jing Liu, Zhen Li, Muwei Ji, Guoxin Sun.   

Abstract

The title compound, C(26)H(26)N(2)O(6)S·C(4)H(8)O, a solvated bis-amide derivative, is also a chiral amino acid ester with l-phenyl-alanine methyl ester groups as amine substituents. The thio-phene-2,5-dicarboxamide core approximates C(2) point symmetry. The tetra-hydro-furan solvent mol-ecule is linked to the main mol-ecule through an inter-molecular N-H⋯O hydrogen bond. The central ring makes dihedral angles of 90.0 (2) and 76.5 (2)° with the pendant rings.

Entities:  

Year:  2010        PMID: 21587488      PMCID: PMC2983431          DOI: 10.1107/S1600536810034410

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For applications of thio­phene derivatives, see: Zhao et al. (2009 ▶). For the synthesis of the title compound, see: Moriuchi et al. (2006 ▶). For the structure of the unsolvated mol­ecule, see: Xia et al. (2010 ▶).

Experimental

Crystal data

C26H26N2O6S·C4H8O M = 566.65 Orthorhombic, a = 8.3041 (3) Å b = 12.1810 (4) Å c = 29.6787 (11) Å V = 3002.06 (17) Å3 Z = 4 Mo Kα radiation μ = 0.16 mm−1 T = 293 K 0.40 × 0.21 × 0.08 mm

Data collection

Oxford Xcalibur (Eos) CCD detector diffractometer Absorption correction: multi-scan (CrysAlis PRO RED; Oxford Diffraction, 2009 ▶) T min = 0.941, T max = 0.988 7782 measured reflections 5081 independent reflections 3167 reflections with I > 2σ(I) R int = 0.022

Refinement

R[F 2 > 2σ(F 2)] = 0.047 wR(F 2) = 0.094 S = 0.91 5081 reflections 363 parameters H-atom parameters constrained Δρmax = 0.19 e Å−3 Δρmin = −0.21 e Å−3 Absolute structure: Flack (1983 ▶), 1964 Friedel pairs Flack parameter: −0.05 (9) Data collection: CrysAlis PRO CCD (Oxford Diffraction, 2009 ▶); cell refinement: CrysAlis PRO CCD; data reduction: CrysAlis PRO RED (Oxford Diffraction, 2009 ▶); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: Mercury (Macrae et al., 2008 ▶); software used to prepare material for publication: SHELXL97. Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536810034410/bh2306sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536810034410/bh2306Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C26H26N2O6S·C4H8OF(000) = 1200
Mr = 566.65Dx = 1.254 Mg m3
Orthorhombic, P212121Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2ac 2abCell parameters from 3062 reflections
a = 8.3041 (3) Åθ = 3.0–28.8°
b = 12.1810 (4) ŵ = 0.16 mm1
c = 29.6787 (11) ÅT = 293 K
V = 3002.06 (17) Å3Block, colourless
Z = 40.40 × 0.21 × 0.08 mm
Oxford Xcalibur (Eos) CCD detector diffractometer5081 independent reflections
Radiation source: Enhance (Mo) X-ray Source3167 reflections with I > 2σ(I)
graphiteRint = 0.022
Detector resolution: 16.0355 pixels mm-1θmax = 25.3°, θmin = 3.0°
ω scansh = −9→9
Absorption correction: multi-scan (CrysAlis PRO RED; Oxford Diffraction, 2009)k = −14→12
Tmin = 0.941, Tmax = 0.988l = −15→35
7782 measured reflections
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.047H-atom parameters constrained
wR(F2) = 0.094w = 1/[σ2(Fo2) + (0.0458P)2] where P = (Fo2 + 2Fc2)/3
S = 0.91(Δ/σ)max < 0.001
5081 reflectionsΔρmax = 0.19 e Å3
363 parametersΔρmin = −0.20 e Å3
0 restraintsAbsolute structure: Flack (1983), 1964 Friedel pairs
0 constraintsFlack parameter: −0.05 (9)
Primary atom site location: structure-invariant direct methods
xyzUiso*/Ueq
C10.7362 (4)−0.1856 (4)−0.38825 (15)0.0993 (14)
H1A0.7425−0.2168−0.35860.149*
H1B0.7790−0.1124−0.38780.149*
H1C0.7976−0.2297−0.40880.149*
C20.4695 (4)−0.1250 (3)−0.37793 (13)0.0615 (9)
C30.2978 (3)−0.1273 (2)−0.39603 (10)0.0476 (8)
H30.2785−0.2003−0.40890.057*
C40.2776 (4)−0.0426 (2)−0.43389 (11)0.0555 (8)
H4A0.29110.0305−0.42150.067*
H4B0.3615−0.0538−0.45620.067*
C50.1160 (4)−0.0496 (2)−0.45669 (10)0.0466 (8)
C60.0864 (4)−0.1295 (3)−0.48868 (12)0.0638 (9)
H60.1673−0.1793−0.49600.077*
C7−0.0602 (5)−0.1369 (3)−0.50983 (13)0.0782 (11)
H7−0.0772−0.1897−0.53190.094*
C8−0.1798 (5)−0.0671 (4)−0.49844 (15)0.0794 (12)
H8−0.2804−0.0741−0.51190.095*
C9−0.1543 (5)0.0131 (3)−0.46754 (16)0.0804 (12)
H9−0.23610.0624−0.46060.097*
C10−0.0064 (4)0.0216 (2)−0.44637 (11)0.0628 (9)
H100.01020.0761−0.42490.075*
C110.1316 (3)−0.1966 (3)−0.33570 (10)0.0476 (7)
C120.0384 (3)−0.1773 (2)−0.29456 (10)0.0428 (7)
C13−0.0220 (4)−0.0850 (2)−0.27630 (10)0.0588 (9)
H13−0.0123−0.0160−0.28940.071*
C14−0.1017 (4)−0.1042 (2)−0.23495 (12)0.0609 (9)
H14−0.1489−0.0490−0.21780.073*
C15−0.1023 (3)−0.2104 (2)−0.22293 (9)0.0425 (7)
C16−0.1644 (3)−0.2650 (2)−0.18143 (10)0.0410 (7)
C17−0.7408 (4)−0.3073 (4)−0.15049 (14)0.1109 (16)
H17A−0.8026−0.2648−0.12940.166*
H17B−0.7452−0.3834−0.14220.166*
H17C−0.7846−0.2983−0.18020.166*
C18−0.4957 (4)−0.2807 (2)−0.11222 (12)0.0541 (8)
C19−0.3256 (3)−0.2374 (2)−0.11366 (10)0.0449 (7)
H19−0.2553−0.2970−0.10340.054*
C20−0.3044 (3)−0.1424 (2)−0.08026 (11)0.0543 (9)
H20B−0.3664−0.0799−0.09060.065*
H20A−0.3466−0.1643−0.05110.065*
C21−0.1327 (4)−0.1090 (3)−0.07497 (11)0.0532 (9)
C22−0.0324 (4)−0.1616 (3)−0.04495 (12)0.0687 (10)
H22−0.0732−0.2182−0.02730.082*
C230.1266 (6)−0.1322 (4)−0.04062 (16)0.0960 (14)
H230.1916−0.1688−0.02000.115*
C240.1900 (6)−0.0506 (5)−0.0661 (2)0.1118 (18)
H240.2977−0.0309−0.06340.134*
C250.0910 (7)0.0024 (4)−0.0962 (2)0.1108 (16)
H250.13270.0587−0.11390.133*
C26−0.0682 (5)−0.0260 (3)−0.10075 (14)0.0785 (11)
H26−0.13270.0111−0.12140.094*
C27−0.5480 (9)−0.0480 (5)−0.2287 (2)0.210 (4)
H27A−0.4867−0.0942−0.24900.252*
H27B−0.6468−0.0857−0.22070.252*
C28−0.5824 (9)0.0546 (6)−0.2491 (2)0.184 (3)
H28B−0.69610.0597−0.25630.221*
H28A−0.52110.0629−0.27670.221*
C29−0.5388 (8)0.1382 (5)−0.2175 (2)0.170 (3)
H29B−0.62840.1875−0.21210.204*
H29A−0.44800.1806−0.22850.204*
C30−0.4949 (7)0.0780 (4)−0.17561 (19)0.1219 (16)
H30A−0.40480.1133−0.16070.146*
H30B−0.58540.0758−0.15500.146*
N10.1852 (3)−0.11168 (19)−0.35934 (8)0.0479 (6)
H10.1527−0.0466−0.35280.057*
N2−0.2705 (2)−0.20642 (19)−0.15812 (8)0.0430 (6)
H2−0.3083−0.1474−0.17000.052*
O10.5682 (3)−0.1824 (2)−0.40280 (8)0.0745 (7)
O20.5104 (3)−0.0779 (3)−0.34523 (11)0.1289 (13)
O30.1599 (3)−0.29143 (18)−0.34747 (8)0.0910 (8)
O4−0.1172 (2)−0.35693 (15)−0.17022 (7)0.0555 (6)
O5−0.5526 (3)−0.3183 (3)−0.07888 (10)0.1001 (9)
O6−0.5731 (3)−0.2699 (2)−0.15000 (9)0.0818 (8)
O7−0.4551 (4)−0.0230 (2)−0.18881 (12)0.1181 (11)
S1−0.00131 (10)−0.28933 (5)−0.26159 (3)0.0543 (2)
U11U22U33U12U13U23
C10.054 (2)0.142 (4)0.102 (3)0.014 (2)0.001 (2)0.028 (3)
C20.060 (2)0.079 (2)0.045 (2)−0.0056 (19)0.004 (2)−0.0055 (19)
C30.0561 (19)0.0494 (17)0.037 (2)−0.0002 (15)0.0048 (17)−0.0052 (16)
C40.064 (2)0.0541 (19)0.048 (2)−0.0067 (16)0.0060 (19)−0.0004 (17)
C50.0574 (18)0.0435 (17)0.039 (2)−0.0019 (16)0.0095 (17)0.0004 (16)
C60.073 (2)0.062 (2)0.056 (2)0.0068 (18)0.002 (2)−0.015 (2)
C70.090 (3)0.081 (3)0.064 (3)−0.006 (2)−0.011 (2)−0.014 (2)
C80.077 (3)0.083 (3)0.079 (3)−0.003 (2)−0.019 (3)0.016 (3)
C90.075 (3)0.073 (3)0.093 (4)0.020 (2)0.006 (3)0.020 (3)
C100.080 (2)0.0543 (18)0.054 (2)0.001 (2)0.004 (2)−0.0020 (16)
C110.0565 (17)0.0441 (18)0.042 (2)0.0000 (16)0.0048 (16)−0.0058 (16)
C120.0481 (16)0.0448 (16)0.0357 (18)−0.0063 (13)0.0065 (15)−0.0025 (14)
C130.083 (2)0.0396 (16)0.053 (2)−0.0001 (17)0.022 (2)0.0063 (15)
C140.078 (2)0.0443 (18)0.061 (2)0.0057 (15)0.032 (2)−0.0004 (17)
C150.0430 (14)0.0451 (17)0.0396 (19)−0.0047 (13)0.0040 (14)−0.0019 (15)
C160.0402 (16)0.0413 (17)0.042 (2)−0.0075 (13)−0.0025 (15)−0.0023 (15)
C170.058 (2)0.169 (4)0.106 (4)−0.041 (3)−0.019 (2)0.003 (3)
C180.0449 (17)0.0638 (18)0.053 (2)0.0000 (18)0.006 (2)0.0113 (18)
C190.0463 (17)0.0491 (17)0.0394 (19)0.0077 (14)0.0069 (16)0.0049 (15)
C200.059 (2)0.064 (2)0.041 (2)0.0049 (16)0.0100 (17)−0.0013 (17)
C210.063 (2)0.052 (2)0.044 (2)−0.0059 (17)0.0036 (19)−0.0103 (17)
C220.070 (3)0.075 (2)0.062 (3)0.0000 (19)0.000 (2)0.004 (2)
C230.080 (3)0.123 (4)0.085 (4)−0.001 (3)−0.019 (3)−0.014 (3)
C240.070 (3)0.142 (5)0.123 (5)−0.022 (3)−0.009 (3)−0.044 (4)
C250.111 (4)0.107 (4)0.115 (5)−0.058 (3)0.026 (4)−0.003 (3)
C260.090 (3)0.070 (2)0.076 (3)−0.021 (2)0.004 (2)0.009 (2)
C270.296 (9)0.128 (4)0.205 (8)0.092 (5)−0.165 (8)−0.053 (5)
C280.273 (8)0.179 (6)0.100 (5)0.115 (6)−0.059 (5)−0.021 (5)
C290.221 (7)0.108 (4)0.183 (7)0.041 (4)−0.082 (6)0.015 (5)
C300.136 (4)0.105 (3)0.125 (4)0.033 (3)−0.008 (4)−0.011 (3)
N10.0621 (15)0.0417 (14)0.0399 (17)0.0044 (12)0.0133 (14)−0.0017 (12)
N20.0471 (13)0.0418 (12)0.0401 (15)0.0052 (12)0.0075 (12)0.0059 (13)
O10.0563 (14)0.0945 (17)0.0728 (18)0.0055 (13)0.0091 (13)−0.0053 (15)
O20.0844 (19)0.212 (3)0.090 (2)0.004 (2)−0.0221 (19)−0.072 (2)
O30.141 (2)0.0481 (14)0.0839 (19)−0.0028 (15)0.0556 (17)−0.0047 (14)
O40.0709 (13)0.0386 (11)0.0568 (16)0.0086 (10)0.0112 (12)0.0071 (11)
O50.0672 (16)0.151 (2)0.082 (2)−0.0221 (15)0.0101 (14)0.047 (2)
O60.0554 (13)0.128 (2)0.0623 (17)−0.0274 (13)−0.0090 (13)0.0150 (16)
O70.161 (3)0.0830 (19)0.110 (3)0.054 (2)−0.056 (2)−0.0078 (18)
S10.0711 (5)0.0404 (4)0.0516 (5)0.0027 (4)0.0181 (5)0.0008 (4)
C1—O11.461 (4)C17—H17A0.9600
C1—H1A0.9600C17—H17B0.9600
C1—H1B0.9600C17—H17C0.9600
C1—H1C0.9600C18—O51.188 (3)
C2—O21.178 (4)C18—O61.299 (4)
C2—O11.306 (4)C18—C191.509 (4)
C2—C31.524 (4)C19—N21.446 (3)
C3—N11.448 (3)C19—C201.533 (4)
C3—C41.535 (4)C19—H190.9800
C3—H30.9800C20—C211.491 (4)
C4—C51.506 (4)C20—H20B0.9700
C4—H4A0.9700C20—H20A0.9700
C4—H4B0.9700C21—C261.377 (4)
C5—C101.371 (4)C21—C221.378 (4)
C5—C61.382 (4)C22—C231.374 (5)
C6—C71.373 (5)C22—H220.9300
C6—H60.9300C23—C241.357 (6)
C7—C81.350 (5)C23—H230.9300
C7—H70.9300C24—C251.374 (6)
C8—C91.357 (5)C24—H240.9300
C8—H80.9300C25—C261.373 (5)
C9—C101.383 (5)C25—H250.9300
C9—H90.9300C26—H260.9300
C10—H100.9300C27—C281.417 (7)
C11—O31.229 (3)C27—O71.445 (6)
C11—N11.327 (3)C27—H27A0.9700
C11—C121.465 (4)C27—H27B0.9700
C12—C131.345 (4)C28—C291.430 (7)
C12—S11.711 (3)C28—H28B0.9700
C13—C141.414 (4)C28—H28A0.9700
C13—H130.9300C29—C301.489 (6)
C14—C151.342 (4)C29—H29B0.9700
C14—H140.9300C29—H29A0.9700
C15—C161.491 (4)C30—O71.333 (4)
C15—S11.716 (3)C30—H30A0.9700
C16—O41.232 (3)C30—H30B0.9700
C16—N21.328 (3)N1—H10.8600
C17—O61.465 (4)N2—H20.8600
O1—C1—H1A109.5O6—C18—C19113.8 (3)
O1—C1—H1B109.5N2—C19—C18114.4 (3)
H1A—C1—H1B109.5N2—C19—C20110.9 (2)
O1—C1—H1C109.5C18—C19—C20110.7 (2)
H1A—C1—H1C109.5N2—C19—H19106.8
H1B—C1—H1C109.5C18—C19—H19106.8
O2—C2—O1123.1 (3)C20—C19—H19106.8
O2—C2—C3124.7 (3)C21—C20—C19112.6 (2)
O1—C2—C3112.2 (3)C21—C20—H20B109.1
N1—C3—C2109.7 (3)C19—C20—H20B109.1
N1—C3—C4113.1 (2)C21—C20—H20A109.1
C2—C3—C4110.3 (2)C19—C20—H20A109.1
N1—C3—H3107.9H20B—C20—H20A107.8
C2—C3—H3107.9C26—C21—C22117.8 (3)
C4—C3—H3107.9C26—C21—C20120.9 (3)
C5—C4—C3112.8 (2)C22—C21—C20121.3 (3)
C5—C4—H4A109.0C23—C22—C21121.3 (4)
C3—C4—H4A109.0C23—C22—H22119.3
C5—C4—H4B109.0C21—C22—H22119.3
C3—C4—H4B109.0C24—C23—C22120.8 (4)
H4A—C4—H4B107.8C24—C23—H23119.6
C10—C5—C6117.9 (3)C22—C23—H23119.6
C10—C5—C4121.7 (3)C23—C24—C25118.3 (4)
C6—C5—C4120.5 (3)C23—C24—H24120.8
C7—C6—C5121.2 (3)C25—C24—H24120.8
C7—C6—H6119.4C26—C25—C24121.5 (5)
C5—C6—H6119.4C26—C25—H25119.3
C8—C7—C6119.8 (4)C24—C25—H25119.3
C8—C7—H7120.1C25—C26—C21120.3 (4)
C6—C7—H7120.1C25—C26—H26119.8
C7—C8—C9120.5 (4)C21—C26—H26119.8
C7—C8—H8119.7C28—C27—O7105.8 (5)
C9—C8—H8119.7C28—C27—H27A110.6
C8—C9—C10119.9 (4)O7—C27—H27A110.6
C8—C9—H9120.0C28—C27—H27B110.6
C10—C9—H9120.0O7—C27—H27B110.6
C5—C10—C9120.7 (3)H27A—C27—H27B108.7
C5—C10—H10119.7C27—C28—C29107.3 (5)
C9—C10—H10119.7C27—C28—H28B110.3
O3—C11—N1121.2 (3)C29—C28—H28B110.3
O3—C11—C12119.3 (3)C27—C28—H28A110.3
N1—C11—C12119.5 (3)C29—C28—H28A110.3
C13—C12—C11131.8 (3)H28B—C28—H28A108.5
C13—C12—S1111.4 (2)C28—C29—C30105.0 (5)
C11—C12—S1116.8 (2)C28—C29—H29B110.8
C12—C13—C14112.7 (3)C30—C29—H29B110.8
C12—C13—H13123.7C28—C29—H29A110.8
C14—C13—H13123.7C30—C29—H29A110.8
C15—C14—C13113.1 (3)H29B—C29—H29A108.8
C15—C14—H14123.4O7—C30—C29105.7 (4)
C13—C14—H14123.4O7—C30—H30A110.6
C14—C15—C16130.6 (3)C29—C30—H30A110.6
C14—C15—S1111.1 (2)O7—C30—H30B110.6
C16—C15—S1118.1 (2)C29—C30—H30B110.6
O4—C16—N2123.9 (3)H30A—C30—H30B108.7
O4—C16—C15121.2 (3)C11—N1—C3120.8 (2)
N2—C16—C15114.8 (2)C11—N1—H1119.6
O6—C17—H17A109.5C3—N1—H1119.6
O6—C17—H17B109.5C16—N2—C19123.0 (2)
H17A—C17—H17B109.5C16—N2—H2118.5
O6—C17—H17C109.5C19—N2—H2118.5
H17A—C17—H17C109.5C2—O1—C1116.5 (3)
H17B—C17—H17C109.5C18—O6—C17116.6 (3)
O5—C18—O6124.1 (3)C30—O7—C27107.6 (4)
O5—C18—C19122.1 (3)C12—S1—C1591.70 (14)
O2—C2—C3—N1−27.1 (5)N2—C19—C20—C21−61.3 (3)
O1—C2—C3—N1152.6 (3)C18—C19—C20—C21170.6 (3)
O2—C2—C3—C498.1 (4)C19—C20—C21—C2693.0 (4)
O1—C2—C3—C4−82.3 (3)C19—C20—C21—C22−85.4 (4)
N1—C3—C4—C5−63.2 (3)C26—C21—C22—C230.3 (5)
C2—C3—C4—C5173.6 (3)C20—C21—C22—C23178.8 (3)
C3—C4—C5—C10100.2 (3)C21—C22—C23—C24−0.4 (6)
C3—C4—C5—C6−79.2 (4)C22—C23—C24—C250.4 (7)
C10—C5—C6—C70.7 (5)C23—C24—C25—C26−0.2 (8)
C4—C5—C6—C7−179.9 (3)C24—C25—C26—C210.0 (7)
C5—C6—C7—C8−2.0 (6)C22—C21—C26—C25−0.1 (5)
C6—C7—C8—C92.7 (6)C20—C21—C26—C25−178.6 (4)
C7—C8—C9—C10−2.1 (6)O7—C27—C28—C29−11.0 (9)
C6—C5—C10—C9−0.1 (5)C27—C28—C29—C30−6.4 (9)
C4—C5—C10—C9−179.6 (3)C28—C29—C30—O723.0 (7)
C8—C9—C10—C50.9 (5)O3—C11—N1—C3−8.9 (4)
O3—C11—C12—C13−173.0 (3)C12—C11—N1—C3170.4 (2)
N1—C11—C12—C137.7 (5)C2—C3—N1—C11−87.8 (3)
O3—C11—C12—S18.6 (4)C4—C3—N1—C11148.6 (3)
N1—C11—C12—S1−170.8 (2)O4—C16—N2—C199.1 (4)
C11—C12—C13—C14−178.4 (3)C15—C16—N2—C19−170.2 (2)
S1—C12—C13—C140.1 (3)C18—C19—N2—C16−107.0 (3)
C12—C13—C14—C15−0.8 (4)C20—C19—N2—C16127.0 (3)
C13—C14—C15—C16176.3 (3)O2—C2—O1—C1−0.3 (5)
C13—C14—C15—S11.2 (3)C3—C2—O1—C1−179.9 (3)
C14—C15—C16—O4−159.8 (3)O5—C18—O6—C17−0.1 (5)
S1—C15—C16—O415.0 (3)C19—C18—O6—C17−178.2 (3)
C14—C15—C16—N219.5 (4)C29—C30—O7—C27−30.3 (6)
S1—C15—C16—N2−165.68 (19)C28—C27—O7—C3026.6 (7)
O5—C18—C19—N2173.3 (3)C13—C12—S1—C150.5 (2)
O6—C18—C19—N2−8.6 (4)C11—C12—S1—C15179.2 (2)
O5—C18—C19—C20−60.6 (4)C14—C15—S1—C12−1.0 (2)
O6—C18—C19—C20117.5 (3)C16—C15—S1—C12−176.8 (2)
D—H···AD—HH···AD···AD—H···A
N2—H2···O70.862.022.859 (3)164
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
N2—H2⋯O70.862.022.859 (3)164
  3 in total

1.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

2.  Bis(triphenyl-stann-yl) thio-phene-2,5-dicarboxyl-ate.

Authors:  Lichun Zhao; Jian Liang; Guihua Yue; Xin Deng; Ying He
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2009-06-06

3.  Dimethyl 3,3'-diphenyl-2,2'-[(S)-thio-phene-2,5-diylbis(carbonyl-aza-nedi-yl)]dipropano-ate.

Authors:  Guang-Ming Xia; Jing Liu; Zhen Li; Mu-Wei Ji; Guo-Xin Sun
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-08-25
  3 in total

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