重氮甲烷 、
一氧化碳 、
Trifluoro-methanesulfonic acid (3aS,5aS,6R,8aS)-3a,6-dimethyl-1-methylene-1,3a,4,5,5a,6,7,8-octahydro-cyclopenta[c]pentalen-2-yl ester 在
bis-triphenylphosphine-palladium(II) chloride
N,N-二异丙基乙胺 作用下,
生成 (3aS,5aS,6R,8aS)-3a,6-Dimethyl-1-methylene-1,3a,4,5,5a,6,7,8-octahydro-cyclopenta[c]pentalene-2-carboxylic acid methyl ester