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Synthesis of Benzo[4,5]furo[3,2-b]thieno[2,3-d]pyridines —Derivatives of a New Heterocyclic System


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Abstract

Methyl 2-(bromomethyl)thiophene-3-carboxylates reacted with substituted 2-hydroxybenzonitriles to give methyl 2-[(2-cyanophenoxy)methyl]thiophene-3-carboxylates which underwent tandem cyclization to benzo[4,5]furo[3,2-b]thieno[2,3-d]pyridin-4(5H)-ones.

About the authors

M. S. Yagodkina-Yakovenko

Institute of Organic Chemistry

Author for correspondence.
Email: yagodkoo@ukr.net
Ukraine, ul. Murmanskaya 5, Kiev, 02660

A. V. Bol’but

Institute of Organic Chemistry

Email: yagodkoo@ukr.net
Ukraine, ul. Murmanskaya 5, Kiev, 02660

M. V. Vovk

Institute of Organic Chemistry

Email: yagodkoo@ukr.net
Ukraine, ul. Murmanskaya 5, Kiev, 02660

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