(2S,3S,4R)-1-[(1S,2R)-2-(tert-Butyl-dimethyl-silanyloxy)-1,2-diphenyl-ethyl]-3,4-dihydroxy-2-methyl-2,3,4,6,7,8-hexahydro-1H-quinolin-5-one                                                                                                                                                              在
                                                                                                                                                                                 
对甲苯磺酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
苯                                                                                  为溶剂,
                                                                                                                                                    反应 0.33h,
                                                                                                                以90%的产率得到(2S)-1-[(1S,2R)-2-[tert-butyl(dimethyl)silyl]oxy-1,2-diphenylethyl]-2-methyl-4,6,7,8-tetrahydro-2H-quinoline-3,5-dione