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.
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Original Russian Text © A.Yu. Vasileva, V.Yu. Vaganov, S.A. Shipilovskikh, A.E. Rubtsov, 2018, published in Zhurnal Organicheskoi Khimii, 2018, Vol. 54, No. 4, pp. 581–586.
For communication XIV, see [1].
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Vasileva, A.Y., Vaganov, V.Y., Shipilovskikh, S.A. et al. 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. Russ J Org Chem 54, 582–587 (2018). https://doi.org/10.1134/S1070428018040115
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DOI: https://doi.org/10.1134/S1070428018040115