3-butenyl stearate   、                                                                                      
(22E)-6β-methoxy-3α,5-cyclo-5α-cholest-22-ene                                                                                                                                                              在
                                                                                                                                                                                 
Hoveyda-Grubbs catalyst second generation                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 48.0h,
                                                                                                                以12%的产率得到(R)-5-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethylhexadecahydrocyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)hex-3-en-1-yl stearate