Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 1901 - 1905 (1990)
Update date:2022-08-03
Topics:
Vasilevskii, S. F.
Shvartsberg, M. S.
Vicinal acetylenic derivatives of pyrazolecarbonamides and benzamides cyclize in alcoholic solution in the presence of KOH with closure of the six- or five-membered lactam ring.The formation of γ-lactam (from o-phenylethynylbenzamide) has been noted for t
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