In the title compound, C(26)H(26)ClNO(4), the central phenyl-ene ring is oriented at dihedral angles of 5.06 (14) and 64.14 (5)°, respectively, with respect to aromatic rings of the benzyl and chloro-phenyl groups. The centroid-centroid distance between the central phenyl-ene ring and the aromatic ring of the benzyl group is 4.028 (12) Å. In the crystal, inter-molecular N-H⋯O hydrogen bond gene...

2-((3-(Ethoxycarbonyl)-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)amino)-4-(4-methoxyphenyl)-4-oxobut-2-enoate has been synthesized by the reaction of ethyl (E)-2-((5-(4-methoxyphenyl)-2-oxofuran-3(2H)-ylidene)amino)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate or 2-((3-(ethoxycarbonyl)-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)amino)-4-(4-methoxyphenyl)-4-oxobut-2-enoate with potassium tert-bu...