3-{[6-Deoxy-3-O-methylhexopyranosyl-(1->4)-2,6-dideoxy-3-O-methylhexopyranosyl-(1->4)-2,6-dideoxy-3-O-methylhexopyranosyl]oxy}-8,14,17,20-tetrahydroxypregnan-12-yl (2E)-3-phenylacrylate                                                                                                                                                              在
                                                                                                                                                                                 
potassium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇   、                                                                                         
水                                                                                  为溶剂,
                                                                                                                                                    反应 48.0h,
                                                                                                                生成                                                 
Deacylmarsdekoiside A