(3R,6S)-{6-[3-(3-chloro-5-fluoro-6-methoxyquinolin-4-yl)-2,3-dihydroxypropyl]-tetrahydropyran-3-yl}-carbamic acid tert-butyl ester                                                                                                                                                              在
                                                                                                                                         racemic-2-(di-tert-butylphosphino)-1,1′-binaphthyl   、                                                                                                  palladium diacetate                                                                                                                                                                                                                               
potassium tert-butylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环                                                                                  为溶剂,
                                                                                                                                                    反应 16.0h,
                                                                                                                以56%的产率得到(3R,6S)-[6-(9-fluoro-1-hydroxy-8-methoxy-1,2-dihydro-furo[2,3-c]quinolin-2-ylmethyl)-tetrahydro-pyran-3-yl]-carbamic acid tert-butyl ester