Reaction of 2-(2-Oxo-1,2-dihydro-3H-pyrrol-3-ylidene)- malononitriles with C-Nucleophiles. Synthesis of New Spiro-Fused Pyrrole Derivatives


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Abstract

Base-catalyzed nucleophilic addition of carbon nucleophiles to the exocyclic double bond of 2-(5-aryl-4-methyl-2-oxo-1,2-dihydro-3H-pyrrol-3-ylidene)malononitriles afforded spiro-fused pyrrole derivatives, 7-amino-3-aryl-4-methyl-1-oxo-8-oxa-2-azaspiro[4.5]deca-3,6,9-triene-6-carbonitriles. The products can be regarded as rare structural analogs of biologically active spirans based on isatin.

About the authors

A. G. Milovidova

I.N. Ul’yanov Chuvash State University

Email: belikovmil@mail.ru
Russian Federation, Moskovskii pr. 15, Cheboksary, 428015

M. Yu. Belikov

I.N. Ul’yanov Chuvash State University

Author for correspondence.
Email: belikovmil@mail.ru
Russian Federation, Moskovskii pr. 15, Cheboksary, 428015

M. Yu. Ievlev

I.N. Ul’yanov Chuvash State University

Email: belikovmil@mail.ru
Russian Federation, Moskovskii pr. 15, Cheboksary, 428015

O. V. Ershov

I.N. Ul’yanov Chuvash State University

Email: belikovmil@mail.ru
Russian Federation, Moskovskii pr. 15, Cheboksary, 428015

O. E. Nasakin

I.N. Ul’yanov Chuvash State University

Email: belikovmil@mail.ru
Russian Federation, Moskovskii pr. 15, Cheboksary, 428015

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