methyl 2-(1,3-dioxo-1,3-dihydroisoindol-2-yl)-3-(6(R)-methyl-5-oxo-4-oxatricyclo[5.2.1.02,6]dec-8-en-3(S)-yloxy)acrylate                                                                                                                                                                                              以
                                                                                         
邻二氯苯                                                                                  为溶剂,
                                                                                                                                                    反应 7.0h,
                                                                                                                以31%的产率得到methyl 2-(1,3-dioxo-1,3-dihydroisoindol-2-yl)-3-(4-methyl-5-oxo-2,5-dihydrofuran-2(S)-yloxy)acrylate