Acetic acid 2-{3-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-1-cyanomethyl-2-oxo-6-trifluoromethyl-1,2-dihydro-quinolin-4-yl}-4-chloro-phenyl ester                                                                                                                                                              在
                                                                                                                                                                                 sodium azide   、                                                                                                  
氯化铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 Acetic acid 2-[3-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-oxo-1-(2H-tetrazol-5-ylmethyl)-6-trifluoromethyl-1,2-dihydro-quinolin-4-yl]-4-chloro-phenyl ester