乙烯   、                                                                                      Acetic acid (1R,4S,5S)-5-(acetyl-allyl-amino)-4-(tert-butyl-dimethyl-silanyloxy)-cyclopent-2-enyl ester                                                                                                                                                              在
                                                                                                                                         
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh)                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 16.0h,
                                                                                                                以51%的产率得到Acetic acid (2R,3S)-1-acetyl-2-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-allyl]-1,2,3,6-tetrahydro-pyridin-3-yl ester