2-((benzyloxy)methyl)-2-methylcyclopentane-1,3-dione 在
10,16-bis[4-(4-tert-butyl-2,6-dimethylphenyl)phenyl]-N,N-dimethyl-12,14-dioxa-13-phosphapentacyclo[13.8.0.02,11.03,8.018,23]tricosa-1(15),2(11),3,5,7,9,16,18,20,22-decaen-13-amine 、 copper(II) bis(trifluoromethanesulfonate) 、
copper(ll) bromide 作用下,
以
甲醇 、
乙醚 、
正己烷 为溶剂,
反应 50.5h,
生成
(3S,4R,5S)-5-(benzyloxy)methyl-4-hydroxy-3,4,5-trimethylcyclopent-1-en-1-yl trifluoromethanesulfonate 、
(3S,4S,5S)-5-(benzyloxy)methyl-4-hydroxy-3,4,5-trimethylcyclopent-1-en-1-yl trifluoromethanesulfonate