The sequential addition/elimination/cycloammination of 4-pentynones in the presence of benzylamine or ammonia produces 1,2,3,-5-substituted and 2,3,5-substituted pyrroles and fused pyrrole systems, respectively in good to high yields. The methodology has been extended to the preparation of the 17β-hydroxyandrost-4-ene[3,2-b](1-benzyl-5-methyl)pyrrole.

Sequential Addition/Elimination/Annulation Reactions of 4-Pentynones with Benzylamine and Ammonia

ARCADI, Antonio;
1997-01-01

Abstract

The sequential addition/elimination/cycloammination of 4-pentynones in the presence of benzylamine or ammonia produces 1,2,3,-5-substituted and 2,3,5-substituted pyrroles and fused pyrrole systems, respectively in good to high yields. The methodology has been extended to the preparation of the 17β-hydroxyandrost-4-ene[3,2-b](1-benzyl-5-methyl)pyrrole.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11697/17408
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