(Z)-2-Methyl-but-2-enoic acid (1R,2S,7R,8S,9R,11S,13S)-1,9-dihydroxy-9,13-dimethyl-8-((Z)-2-methyl-but-2-enoyloxy)-4-methylene-5-oxo-6,14-dioxa-tricyclo[9.2.1.03,7]tetradec-2-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
间氯过氧苯甲酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
氯仿                                                                                  为溶剂,
                                                                                                                                                    反应 72.0h,
                                                                                                                以28 mg的产率得到2,3-Dimethyl-oxirane-2-carboxylic acid (1R,2S,7R,8S,9R,11S,13S)-1,9-dihydroxy-9,13-dimethyl-2-((Z)-2-methyl-but-2-enoyloxy)-4-methylene-5-oxo-6,14-dioxa-tricyclo[9.2.1.0
3,7]tetradec-8-yl ester