In continuation of our previous work on 3-carbethoxycoumarin [I), we are dealing in this paper with the reaction of 7-hydroxy-3-carbethoxycoumarin (1) with hydrazines, amines and Grignard reagents. Some reagents affected fission of the coumarin ring while others reacted with the carbethoxy group.
MM MOHAMED ,M A HASSAN ,M EL BORAI ,
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