2-[[(1S,2R,4R)-1-(3-benzoyl-2-oxoimidazole-1-carbonyl)-7,7-dimethyl-2-bicyclo[2.2.1]heptanyl]oxy]ethyl 2,2,2-trichloroacetate 在
tris(triphenylphosphine)ruthenium(II) chloride lanthanum(lll) triflate 作用下,
以
苯 为溶剂,
反应 1.0h,
以92%的产率得到(1S,6R,13R,15R,19S)-5-benzoyl-7,7,19-trichloro-18,18-dimethyl-9,12-dioxa-3,5-diazatetracyclo[13.2.1.13,6.01,13]nonadecane-2,4,8-trione