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Type: Artigo de periódico
Title: Alkyl-c Versus Phenyl-c Reactivity In Unsymmetrical Cyclopropenones. Reaction Of Methylphenylcyclopropenone With Pyrazoles.
Author: Kascheres A.
Filho J.C.
Cunha S.
Abstract: Methylphenylcyclopropenone (1) reacts with pyrazole and 3,5-dimethylpyrazole to afford ketones (2) resulting from initial nucleophilic attack at methyl-C, in agreement with an AM1 calculation performed on 1. Intermediacy of dipolar species 3 accounts for products and allows incorporation of other nucleophiles (2-aminothiazoole, 2-amino-4-methylpyridine, and o-phenylenediamine). © 1993.
Rights: fechado
Identifier DOI: 10.1016/S0040-4020(01)80307-0
Date Issue: 1993
Appears in Collections:Unicamp - Artigos e Outros Documentos

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