Tetrahedron Letters p. 2703 - 2706 (1988)
Update date:2022-08-03
Topics:
Tyndall, D. V.
Al Nakib, T.
Meegan, M. J.
Reaction of 1,3-diphenylpropenone with malononitrile in base affords 1,4-diphenyl-2-methoxypyridine-3-carbonitrile.This reaction has been applied to a general synthesis of phenyl-substituted <1>benzopyrano<4,3-b>pyridines, <1>benzothiopyrano<4,3-b>pyridines and pyrido<3,2-b><1,4>benzothiazines(1-azaphenothiazines).
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(1998)Doi:10.1039/c3cc47438k
(2014)Doi:10.1021/ja01177a074
()Doi:10.1002/recl.19831021003
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(1972)
