tert-butyl (2S,5S)-5-ethenyl-1-[(2S,4R)-1-[(2-methylpropan-2-yl)oxycarbonyl]-4-prop-1-enylpyrrolidine-2-carbonyl]pyrrolidine-2-carboxylate 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
二氯甲烷 为溶剂,
以57%的产率得到(2S,5R,7aS,10S,Z)-di-tert-butyl-1-oxo-4,5,7a,8,9,10-hexahydro-1H-2,5-methanopyrrolo[1,2-d][1,4]diazonine-3,10(2H)-dicarboxylate