Methyl 10-methoxy-3-methyl-11-phenylmethoxy-4-oxatricyclo[6.4.0.03,5]dodeca-1(12),6,8,10-tetraene-5-carboxylate 在
copper(II) hexafluoroacetylacetonate 作用下,
以
甲苯 为溶剂,
反应 12.0h,
以99%的产率得到methyl (1S,9S)-4-methoxy-9-methyl-5-phenylmethoxy-12-oxatricyclo[7.2.1.02,7]dodeca-2,4,6,10-tetraene-10-carboxylate