Acetic acid (1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-acetoxy-5a,5b,8,8,11a-pentamethyl-1-vinyl-icosahydro-cyclopenta[a]chrysen-3a-ylmethyl ester                                                                                                                                                              在
                                                                                                                                         
Wilkinson's catalyst                                                                                                                                                                                                                               氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇   、                                                                                         
苯                                                                                  为溶剂,
                                                                                                                                                            20.0 ℃
                                                                                                                            、100.0 kPa
                                                                                条件下,
                                                                                                                反应 3.0h,
                                                                                                                生成                                                 Acetic acid (1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-acetoxy-1-ethyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-3a-ylmethyl ester