tert-butyl (4S,5S)-4-[(2S)-2-[[4-methoxy-3-(3-methoxypropoxy)phenyl]methyl]-3-methylbutyl]-2,2-dimethyl-5-[(2S)-3-methyl-2-[(2-methyl-1-morpholin-4-ylpropan-2-yl)carbamoyl]butyl]-1,3-oxazolidine-3-carboxylate                                                                                                                                                              在
                                                                                                                                         
对甲苯磺酸                                                                                                                                                                                                                               甲醇                                                                                                                                  作用下,
                                                                                                                                                                                                                            以99 mg的产率得到5(S)-tert-butoxycarbonylamino-4(S)-hydroxy-2(S),7(S)-diisopropyl-8-[4-methoxy-3-(3-methoxypropyloxy)-phenyl]-octanoic acid N-(1,1-dimethyl-2-morpholino-ethyl) amide