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Benzene Derivatives from 4-Pyrones: On the Reaction of 3,5-Dibenzoyl-2,6-dimethyl-4-pyrone with Secondary Amines
Eiden, Fritz,Teupe, Ernst-Guenther,Leister, Hans Peter
, p. 419 - 423 (2007/10/02)
The isomeric benzene derivatives 4c and 5a as well as 4d and 5b result from the reaction of secondary amines with 3,5-dibenzoyl-2,6-dimethyl-4-pyrone (1c).The structures were proved by spectroscopic methods and by conversion to the chromone derivatives 9a
