(3R,4S)-4-((4aR,5R,10bR)-9-Methoxy-3,4,4a,5,6,10b-hexahydro-2H-pyrano[3,2-c]quinolin-5-yl)-1-(4-methoxy-phenyl)-3-phenoxy-azetidin-2-one                                                                                                                                                              在
                                                                                                                                                                                 
sodium methylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 16.0h,
                                                                                                                以75%的产率得到(1S,2R,7bR,11aR,11bR)-6-Methoxy-1-(4-methoxy-phenylamino)-2-phenoxy-1,9,10,11,11a,11b-hexahydro-2H,7bH-8-oxa-3a-aza-cyclopenta[l]phenanthren-3-one