重氮甲烷 、
4-羧丁基三苯基溴化膦 、
(+)-(1S,4R)-3-endo-(4-chlorobenzenesulphonylamino)bicyclo<2.2.1>hept-5-ene-2-exo-carbaldehyde 生成 (Z)-6-[(1S,2S,3S,4R)-3-(4-Chloro-benzenesulfonylamino)-bicyclo[2.2.1]hept-5-en-2-yl]-hex-5-enoic acid methyl ester 、 (E)-6-[(1S,2S,3S,4R)-3-(4-Chloro-benzenesulfonylamino)-bicyclo[2.2.1]hept-5-en-2-yl]-hex-5-enoic acid methyl ester