Synlett p. 667 - 668 (1997)
Update date:2022-08-17
Topics:
Arcadi, Antonio
Rossi, Elisabetta
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 sytems, 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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