Z. Zhou
1984
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Journal
Acta Chimica Sinica
Abstract
2, 4-Bis (ethoxycarbonylamido) toluene was prepared by the carbonylation of 2, 4-dinitrotoluene with catalysts of Pd-Fe system in ethanol. The compound forms monoclinic crystals of the space group C_s~4-C_C with crystal parameters: a=8.251(2), b=16.256 (6), c=10.862 (2)A, β=104.66 (4)°; V=1409.5 (A)~3; D_m=1.241g/cm~3, D_c=1.255g/cm~3; Z=4. The crystal and molecular structure had been solved by the direct method and refined by the least-squares method with the result: R=0.045, R_w=0.043. The results show that the ethyl group in the molecule is cis to the C=O group.