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

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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.

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

Document Type: Research Article

Publication date: 2008-04-01

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