Preparations of the novel fused dimethoxyquinoline derivatives of furo[2,3-b]quinoline (5), s-triazolo[4,3-a]quinoline (8) and tetrazolo[1,5-a]quinoline (10) from 6,7-dimethoxy-3-carboxyquinoline-1-oxide (1) are reported.
Preparations of the novel fused dimethoxyquinoline derivatives of furo[2,3-b]quinoline (5), s-triazolo[4,3-a]quinoline (8) and tetrazolo[1,5-a]quinoline (10) from 6,7-dimethoxy-3-carboxyquinoline-1-oxide (1) are reported.