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
Ahmed M. FOUDA,
Yossry A. AMMAR,
Abdallah G. AL SEHEMI,
Mohamed S. A. El GABY,
Hamdy Kh. THABET,
Samir BONDOCK