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