Sodium acetate catalyzed multicomponent approach to medicinally privileged 2-amino-4H-chromene scaffold from salicylaldehydes, malononitrile and cyanoacetates
Аннотация:
Sodium acetate-catalyzed multicomponent assembling of salicylaldehydes, malononitrile and cyanoacetates in water–alcohol mixture (1: 1) at ambient temperature affords alkyl (2-amino-3-cyano-4H-chromen-4-yl)cyanoacetates in 88–95% yields.