87893-90-1

Upstream product

• 87893-96-7 5,5-Dicyano-1-phenyl-5,7a-dihydro-1H-pyrrolo[2,1-c][1,2,4]triazole-6,7-dicarboxylic acid dimethyl ester 

Relevant academic research and scientific papers

1,3-Dipolar Cycloaddition of Azolium Dicyanomethylides

1,3-Dipolar cycloaddition of azolium N-dicyanomethylides, which have an azomethine ylide structure, to acetylenic dipolarophiles affords azolopyridine derivatives.The initial cycloadduct has been isolated for the first time.Using unsymmetrical dipolarophi

Spirally twisted imidazolium iminyl ylide structures from 1,2-rearrangements in reactions of imidazolium dicyanomethanide 1,3-dipoles with maleic anhydride: new perspectives on the Boekelheide-Fedoruk ring expansions

The reactions of 1-substituted-imidazolium-3-dicyanomethanides with maleic anhydride gave new ylide products from a Michael reaction and 1,2-rearrangements. These experiments, combined with theoretical calculations, provide an interesting new perspective