(6E)-N,N-diethyl-6,10-dimethyl-3-oxo-2-phenylselanylundeca-6,10-dienamide 在
ytterbium(III) triflate 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以68%的产率得到(1S,4aR,6R,8aS)-N,N-diethyl-4a,6-dimethyl-2-oxo-6-phenylselanyl-3,4,5,7,8,8a-hexahydro-1H-naphthalene-1-carboxamide