A novel and efficient route to H-pyrazolo[5,1-a]isoquinoline-1-carbaldehydes via a tandemreaction of N′-(2-alkynylbenzylidene)hydrazide with 2-vinyloxirane is described. The reaction proceeds through a silver(I)–rhodium(I) cooperativecatalysis.
描述了通过N '-(2-炔基亚苄基)酰肼与2-乙烯基环氧乙烷的串联反应制备H-吡唑并[5,1- a ]异喹啉-1-甲醛的新颖有效途径。该反应通过银(I)-铑(I)协同催化进行。