[(2S,4aS,7R,7aR,10aS)-7-(tert-Butyl-diphenyl-silanyloxy)-6-methyl-2-phenyl-4,4a,7,7a-tetrahydro-furo[3',2':2,3]benzo[2,1-d][1,3]dioxin-(10E)-ylidene]-acetonitrile                                                                                                                                                              在
                                                                                                                                                                                 
二异丁基氢化铝                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以50%的产率得到[(2S,4aS,7R,7aR,10aS)-7-(tert-Butyl-diphenyl-silanyloxy)-6-methyl-2-phenyl-4,4a,7,7a-tetrahydro-furo[3',2':2,3]benzo[2,1-d][1,3]dioxin-(10E)-ylidene]-acetaldehyde