Facile and convenient synthesis of pyrimidine, 4H-3,1-benzoxazin-4-one, pyrazolo[5,1-b]quinazoline, pyrido[1,2-a]quinazoline, and chromeno[3' ,4' :4,5]pyrido[1,2-a]quinazoline derivatives

Authors : Yossry A. Ammar, Samir Bondock, Abdallah G. Al-sehemi

Pages : 893-903

Doi:10.3906/tar-1101-1671

View : 17 | Download : 9

Publication Date : 9999-12-31

Article Type : Makaleler

Abstract :A convenient synthesis of a series of pyrimidine, 4H-3,1-benzoxazin-4-one, pyrazolo[5,1-b]quinazoline, pyrido[1,2-a]quinazoline, and chromeno[3' ,4' :4,5]pyrido[1,2-a]quinazoline derivatives, via the reactions of versatile and readily accessible methyl 2-(2-cyanoacetamido)benzoate (1) with the appropriate reagents, is described here.
Keywords : Cyanoacetanilide, pyrimidine, quinazoline, pyrazolo[5, 1-b]quinazoline, pyrido[1, 2-a]quinazoline