Facile syntheses of 2-substituted 3-cyanochromones

KS Levchenko, IS Semenova, VN Yarovenko…

文献索引：Levchenko; Semenova; Yarovenko; Shmelin; Krayushkin Tetrahedron Letters, 2012 , vol. 53, # 28 p. 3630 - 3632

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被引用次数: 7

摘要

A simple and general route to 3-cyanochromones containing various substituents on position 2 of the ring is developed. The method is based on condensation of 3-(2- hydroxyphenyl)-3-oxopropionitrile with acid chlorides or anhydrides in pyridine at room temperature.