Studies on uracils: Synthesis of tetrazolo[4 ',5 ': 1,6] pyrido[2,3-d]pyrimidines by the action of cyano stabilised carbanions on 6-azido-5-formyluracils
Pj. Bhuyan et al., Studies on uracils: Synthesis of tetrazolo[4 ',5 ': 1,6] pyrido[2,3-d]pyrimidines by the action of cyano stabilised carbanions on 6-azido-5-formyluracils, J CHEM R-S, (3), 1999, pp. 232-233
6-Azido-5-formyluracils 2 undergo base catalysed condensation with cyanocar
banions to yield tetrazolo[4',5' :1,6]pyrido[2,3-d] pyrimidines 4 in good y
ields.