Letters in Organic Chemistry

Author(s): Dilek I. Tasgin, Baris Temelli, Arife Yazici, Sertan Aytac and Canan Unaleroglu

DOI: 10.2174/157017808783955763

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Regioselective Alkylation of Pyrrole with 2-Benzylidenemalononitriles Catalyzed by Cu(OTf)2

Page: [165 - 168] Pages: 4

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Abstract

Copper triflate was used as catalyst for the addition of pyrrole to 2-benzylidenemalononitrile and its substituted derivatives. 2-Alkylated pyrrole derivatives were regioselectively obtained in mild reaction conditions. The addition reactions were found to be highly dependent on the substituents of the phenyl group.

Keywords: Metal triflates, pyrrole, alkylated pyrrole, Michael addition, direct alkylation, benzylidenemalononitrile