(S)-2-[(1S,2R)-2hydroxy-1-methyl-3-butenyloxycarbonyl]-1-methylethyl (2E,4R,5S)-5-acryloylamino-4-(2-methoxyethoxy)methoxy-2-hexenoate                                                                                                                                                              在
                                                                                                                                                                                 
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh)                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        以76%的产率得到(3S,6E,8R,9S,12E,14R,15S)-14-hydroxy-8-(2-methoxyethoxy)methoxy-3,9,15-trimethyl-10-aza-4,16-dioxa-6,12-cyclohexadecadiene-1,5,11-trione