(1S,2S,3S,4R)-methyl 3-(N-((R)-(tert-butylcarbamoyl)(4-chlorophenyl)methyl)-N-propargylamino)-7-oxa-bicyclo[2.2.1]hept-5-ene-2-carboxylate 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
生成 (2S,3S,3aS,9aS,9bR)-diethyl 4-((R)-(tert-butylcarbamoyl)(4-chlorophenyl)methyl)-2,3,3a,4,5,9,10b-heptahydro-3-methoxycarbonyl-2-vinylfuro[3,2-h]pyrido[4,3-c]pyridazine-8,9(7H,10aH)-dicarboxylate