methyl (3R,4R)-1-[2-(3-fluorophenylthio)ethyl]-4-[3-(R,S)-hydroxy-3-(6-methoxyquinolin-4-yl)propyl]piperidine-3-acetate   、                                                                                      
sodium hydroxide   、                                                                                      
柠檬酸                                                                                                                                                              在
                                                                                                                                                                                 
柠檬酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环   、                                                                                         
水   、                                                                                         
甲醇   、                                                                                         
methanol-dichloromethane                                                                                  为溶剂,
                                                                                                                                                            40.0~60.0 ℃
                                                                                                                            、666.61 kPa
                                                                                条件下,
                                                                                                                反应 20.0h,
                                                                                                                以1.1 g of (3R,4R)-1-[2-(3-fluorophenylthio)ethyl]-4-[3-(R,S)-hydroxy-3-(6-methoxyquinolin-4-yl)propyl]piperidine-3-acetic acid were obtained in the form of a solid with a cream color的产率得到(3R,4R)-1-[2-(3-fluorophenylthio)ethyl]-4-[3-hydroxy-3-(6-methoxyquinolin-4-yl)propyl]piperidine-3-acetic acid