(1R,2R,3R,4R,7S,10R,11R,14R)-4-acetoxy-14-isopropenyl-3,7,11-trimethyltricyclo<8.4.0.0.2,7>tetradecan-11-ol                                                                                                                                                              在
                                                                                                                                                                                 
吡啶   、                                                                                                  
三氯氧磷                                                                                                                                  作用下,
                                                                                                                                                                                        反应 12.0h,
                                                                                                                生成                                                 [(3R,4R,4aS,4bS,5R,8aR,10aS)-4,10a-dimethyl-8-methylidene-5-prop-1-en-2-yl-1,2,3,4,4a,4b,5,6,7,8a,9,10-dodecahydrophenanthren-3-yl] acetate   、                                                                                             [(3R,4R,4aS,4bR,5R,10aS)-4,8,10a-trimethyl-5-prop-1-en-2-yl-2,3,4,4a,4b,5,6,7,9,10-decahydro-1H-phenanthren-3-yl] acetate   、                                                                                             [(3R,4R,4aS,4bS,5R,8aR,10aS)-4,8,10a-trimethyl-5-prop-1-en-2-yl-2,3,4,4a,4b,5,6,8a,9,10-decahydro-1H-phenanthren-3-yl] acetate