[(4aR,5R,6S,8S,8aS)-6-Benzyloxy-2-methoxy-5-(3-methoxy-prop-1-ynyl)-3-methyl-4a,5,6,7,8,8a-hexahydro-2H-chromen-8-yloxy]-tert-butyl-dimethyl-silane                                                                                                                                                              在
                                                                                                                                         Lindlar's catalyst                                                                                                                                                                                                                               
4-二甲氨基吡啶   、                                                                                                  
氢气                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 
Acetic acid (4aR,5S,6S,8S,8aS)-6-benzyloxy-2-hydroxy-5-((Z)-3-methoxy-propenyl)-3-methyl-4a,5,6,7,8,8a-hexahydro-2H-chromen-8-yl ester