Chemistry of Iminofurans: XV. Decyclization of Ethyl 2-[5-Aryl-2-oxofuran-3(2 H )-ylideneamino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylates by the Action of Secondary Amines

A. Yu. Vasileva; V. Yu. Vaganov; S. A. Shipilovskikh; A. E. Rubtsov

doi:10.1134/S1070428018040115

Chemistry of Iminofurans: XV. Decyclization of Ethyl 2-[5-Aryl-2-oxofuran-3(2H)-ylideneamino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylates by the Action of Secondary Amines

Authors: Vasileva A.Y.¹, Vaganov V.Y.¹, Shipilovskikh S.A.¹, Rubtsov A.E.¹
Affiliations:
1. Perm National State Research University
Issue: Vol 54, No 4 (2018)
Pages: 582-587
Section: Review
URL: https://journals.rcsi.science/1070-4280/article/view/217535
DOI: https://doi.org/10.1134/S1070428018040115
ID: 217535

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Abstract

Ethyl 2-[5-aryl-2-oxofuran-3(2H)-ylideneamino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylates reacted with secondary amines to give 4-aryl-2-(thiophen-2-yl)-4-oxobutanamides, whereas their reaction with piperazine afforded N,N′-disubstituted piperazine derivatives regardless of the reactant ratio.