Triazolopyridines. 19. Synthesis and reactions of ylides derived from [1,2,3]triazolo[1,5-a]quinoline and [1,2,3]triazolo[5,1-a]isoquinoline with methyl propiolate

Article abstract of DOI:10.1016/S0040-4020(97)00796-5

Preparation and structure of salts and ylides derived from triazolo[1,5-a]quinoline 2 and triazolo[5,1-a]isoquinoline 3 are described. Reactions with methyl propiolate of ylides 6-9 give pyrrolo[1,2-a]quinolines 13, 18 and pyrrolo[2,1-a]isoquinolines 12,