1318698-93-9Relevant articles and documents
Synthesis of biologically active 1′-(2-oxo-2H-benzopyran-6-YL)- 5′-hydroxy-2′-methylindole-3′-amido-2″-phenyl- thiazolidene-4″-ones
Mulwad, Vinata V.,Parmar, Hitesh T.,Mir, Abid A.
, p. 49 - 55 (2011/09/16)
6-Aminocoumarins on refluxing with ethyl acetoacetate in 1,2-dichloroethane gave two products: 3′-(2-oxo-2H-benzopyran-6-yl-amino)-but-2′-enoic acid ethyl ester 2a-c and N-(-2-oxo-2H-benzopyran-6-yl)-3′-oxo-butyramide 3a-c. Compounds 2a-c on treatment wit