ethyl {[(5RS,6RS)-6-(N,N-diphenylcarbamoyloxy)methyl-5-hydroxy-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yl]oxy}acetate 在
二氧化锰 silica gel 、
ethyl acetate n-hexane 作用下,
以
氯仿 为溶剂,
反应 3.0h,
以to give ethyl {[6-(N,N-diphenylcarbamoyloxy) methyl-5-oxo-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yl]oxy}acetate (151.1 mg) as an oil的产率得到ethyl {[6-(N,N-diphenylcarbamoyloxy) methyl-5-oxo-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yl]oxy}acetate