methyl (2S)-2-[(5R,8R,8aR)-8-acetyloxy-3,8-dimethyl-2-oxo-1,4,5,6,7,8a-hexahydroazulen-5-yl]propanoate                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal   、                                                                                                  
Wilkinson's catalyst                                                                                                                                                                                                                               吡啶   、                                                                                                  lithium aluminium tetrahydride   、                                                                                                  
氢气                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 
Carbonic acid (S)-2-((3S,3aS,5R,8R,8aR)-8-hydroxy-3,8-dimethyl-decahydro-azulen-5-yl)-propyl ester methyl ester