Home Crystal structure of (Z)-N-(4-nitrophenyl)-3-phenyl-3-(phenylamino)acrylamide, C21H17N3O3
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Crystal structure of (Z)-N-(4-nitrophenyl)-3-phenyl-3-(phenylamino)acrylamide, C21H17N3O3

  • Xin-Sheng Xiao , Guo-Kai Jia EMAIL logo , Wen-Yi Li and Xiu-Wen Chen
Published/Copyright: May 18, 2018

Abstract

C21H17N3O3, orthorhombic, Pbca (no. 61), a = 14.3606(4) Å, b = 7.4250(2) Å, c = 34.2840(9) Å, V = 3655.62(17) Å3, Z = 8, Rgt(F) = 0.0399, wRref(F2) = 0.1178, T = 571(2) K.

CCDC no.: 1841184

The asymmetric unit of the title crystal structure is shown in the figure. Tables 1 and 2 contain details of the measurement method and a list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal:Yellow block
Size:0.25 × 0.18 × 0.18 mm
Wavelength:Cu Kα radiation (1.54178 Å)
μ:7.3 cm−1
Diffractometer, scan mode:Xcalibur Sapphire 3, ω scans
2θmax, completeness:125.4°, >99%
N(hkl)measured, N(hkl)unique, Rint:10224, 2923, 0.022
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 2426
N(param)refined:245
Programs:Bruker programs [1], SHELX [2]
Table 2:

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).

AtomxyzUiso*/Ueq
O10.65345(9)0.05732(18)0.37001(4)0.0796(4)
O20.31779(10)−0.3752(3)0.50822(5)0.1158(6)
O30.25421(10)−0.2581(3)0.45739(4)0.1117(6)
N10.81351(10)0.1057(2)0.32865(4)0.0739(4)
H1A0.75700.14240.33110.089*
N20.67252(9)−0.0362(2)0.43292(4)0.0706(4)
H2B0.7128−0.03870.45150.085*
N30.32194(11)−0.2859(3)0.47814(5)0.0828(5)
C10.84768(11)0.1020(2)0.29017(5)0.0652(4)
C20.81285(14)0.2236(3)0.26350(7)0.0854(6)
H2A0.76820.30690.27130.102*
C30.84371(18)0.2228(4)0.22515(7)0.1004(7)
H3A0.81940.30470.20730.120*
C40.90962(18)0.1019(4)0.21363(7)0.1044(8)
H4A0.93160.10270.18810.125*
C50.94295(16)−0.0200(4)0.23976(7)0.1012(8)
H5A0.9876−0.10310.23180.121*
C60.91179(13)−0.0225(3)0.27762(6)0.0800(5)
H6A0.9342−0.10880.29490.096*
C70.85638(11)0.0600(2)0.36253(5)0.0638(4)
C80.95999(11)0.0530(2)0.36397(5)0.0641(4)
C91.01408(12)0.1790(3)0.34450(5)0.0694(5)
H9A0.98550.27020.33030.083*
C101.10992(13)0.1699(3)0.34612(6)0.0841(6)
H10A1.14560.25360.33260.101*
C111.15295(14)0.0379(4)0.36769(7)0.0942(7)
H11A1.21760.03200.36870.113*
C121.10006(15)−0.0853(3)0.38774(7)0.0970(7)
H12A1.1289−0.17360.40270.116*
C131.00411(13)−0.0782(3)0.38563(6)0.0833(6)
H13A0.9688−0.16310.39900.100*
C140.80657(12)0.0283(2)0.39545(5)0.0683(5)
H14A0.83940.01020.41850.082*
C150.70617(12)0.0208(2)0.39717(5)0.0661(4)
C160.58295(11)−0.0899(2)0.44317(5)0.0609(4)
C170.57356(11)−0.1889(2)0.47746(5)0.0684(5)
H17A0.6259−0.21260.49260.082*
C180.48855(12)−0.2517(2)0.48914(5)0.0690(5)
H18A0.4827−0.31840.51200.083*
C190.41173(11)−0.2144(2)0.46654(5)0.0642(4)
C200.41844(11)−0.1137(3)0.43327(5)0.0685(5)
H20A0.3653−0.08770.41880.082*
C210.50398(11)−0.0507(2)0.42120(5)0.0665(4)
H21A0.50890.01740.39850.080*

Source of materials

To a screw capped vial with a spinvane triangular-shaped Teflon stir bar were added N-(1-phenylethylidene)aniline (0.2 mmol), 4-nitrobenzoyl azide (0.2 mmol) and 1,2-dichloroethane (1.0 mL) under argon atmosphere conditions. The reaction mixture was stirred at 373 K for 12 h, filtered through a pad of celite and then washed with ethyl acetate (10 mL 3 times). Organic solvents were removed under reduced pressure and the residue was purified by chromatography on silica gel with ethyl acetate/petroleum (3:1, v/v) as the eluent to give the title compound as a yellow solid.

Experimental details

All hydrogen atoms were identified in difference Fourier syntheses. The methyl groups were idealized and refined using rigid groups allowed to rotate about the C—C bond (AFIX 137 option of the SHELXL program). The Uiso values of all other hydrogen atons were set to Uiso(H) = 1.2Ueq(C).

Discussion

(Z)-N-3-diphenyl-3-(phenylamino)acrylamide derivatives contain attractive structural motifs because of their wide distribution in bioactive molecules and pharmaceuticals [3], [4], [5], [6]. Hence, there is considerable interest in the development of effective methods for the synthesis of (Z)-N-3-diphenyl-3-(phenylamino)acrylamide and its analogues [7], [8]. Herein the crystal structure of the title compound is described to enrich the related crystal structures of (Z)-N-(4-nitrophenyl)-3-phenyl-3-(phenylamino)acrylamide.

Similar to our previous study [9, 10] , the title compound, built up by the C21H17N3O3molecules, has been synthesized. The single crystal structure verifies that all bond lengths are in normal ranges. The keto-tautomer is found in the solid state (cf. the figure).

Acknowledgements

The work was supported by the HNNSF (No. 2018JJ2143), the opening project of Key Laboratory of Comprehensive Utilization of Advantage Plants Resources in Hunan South, Hunan University of Science and Engineering (Nos. XNZW17C10, XNZW17C05), Research Foundation of Education Bureau of Hunan Province (No. 17A081), Aid program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province and the NSFC (No. 51772091).

References

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Received: 2018-01-14
Accepted: 2018-05-03
Published Online: 2018-05-18
Published in Print: 2018-07-26

©2018 Xin-Sheng Xiao et al., published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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  76. The crystal structure of In1.2B3O5.6(OH)1.4
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  78. Crystal structure of 1-heptylpyridazin-1-ium iodide, C11H19N2I
  79. The crystal structure of N-butylpyridinium bis(μ2-dichlorido)-tetrachloridodicopper(II), C18H28N2Cu2Cl6
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