4-((S)-acetoxy{(1R,3aR,4R,5S,7aR)-5-ethynyl-1-[(4-methoxybenzyl)oxy]-1,3,3,6-tetramethyl-2,3,3a,4,5,7a-hexahydro-1H-inden-4-yl}methyl)phenyl acetate                                                                                                                                                              在
                                                                                                                                                                                 
四氢吡咯                                                                                                                                  作用下,
                                                                                                                                                                                        反应 0.42h,
                                                                                                                以99%的产率得到(S)-{(1R,3aR,4R,5S,7aR)-5-ethynyl-1-[(4methoxybenzyl)oxy]-1,3,3,6-tetramethyl-2,3,3a,4,5,7a-hexahydro-1H-inden-4-yl}(4-hydroxyphenyl)methyl acetate