CYCLIZATION OF VICINAL ACETYLENIC DERIVATIVES OF PYRAZOLECARBONAMIDES AND BENZAMIDES
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
Vasilevskii, S. F.,Shvartsberg, M. S.
p. 1901 - 1905
(2007/10/02)
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