2-diazo-5-(3,4-dibenzoyloxyphenyl)-1-(2,4,6-trimethylphenylsulfonyl)-5-hexen-2-one 在
copper(I) trifluoromethanesulfonate benzene 2,2-bis[(S)-4-iPr-4,5-dihydro-oxazol-2-yl]-1,3-Ph2-propane 作用下,
以
甲苯 为溶剂,
反应 1.5h,
生成 (1S,5S)-5-(3,4-dibenzoyloxyphenyl)-2-oxo-1-(2,4,6-trimethylphenylsulfonyl)bicyclo[3.1.0]hexane 、 (1R,5R)-5-(3,4-dibenzoyloxyphenyl)-2-oxo-1-(2,4,6-trimethylphenylsulfonyl)bicyclo[3.1.0]hexane