2-[(3R,4S,5S,8S,9S,10S,11R,13R,14S,16S)-16-Acetoxy-3,11-dihydroxy-4,8,10,14-tetramethyl-hexadecahydro-cyclopenta[a]phenanthren-(17Z)-ylidene]-6-[4-(3-trifluoromethyl-3H-diazirin-3-yl)-phenyl]-hexanoic acid 2,2-dimethyl-propionyloxymethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
potassium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                生成                                                 (2Z)-2-[(3R,4S,5S,8S,9S,10S,11R,13R,14S,16S)-16-acetyloxy-3,11-dihydroxy-4,8,10,14-tetramethyl-2,3,4,5,6,7,9,11,12,13,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ylidene]-6-[4-[3-(trifluoromethyl)diazirin-3-yl]phenyl]hexanoic acid