2-benzyloxycarbonylamino-3-(tert-butyl-diphenylsilanyloxy)-2-methyl-propionic acid 2-(4-octyl-phenyl)-2-oxoethyl ester                                                                                                                                                              在
                                                                                                                                                                                 ammonium acetate   、                                                                                                  
溶剂黄146   、                                                                                                  
碳酸氢钠                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙酸乙酯                                                                                  为溶剂,
                                                                                                                                                                                        以33%的产率得到{2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-1-[4-(4-octyl-phenyl)-oxazol-2-yl]-ethyl}-carbamic acid benzyl ester