2-{2-[7-chloro-3-(3,5-dimethylphenyl)-2-oxo-6-(5-oxo-4,5-dihydro-tetrazol-1-yl)-1,2-dihydro-quinolin-4-yloxy]-ethyl}-piperidine-1-carboxylic acid 2-trimethylsilanylethyl ester 在
ammonium chloride 、
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成
7-chloro-3-(3,5-dimethylphenyl)-6-(4-methyl-5-oxo-4,5-dihydro-tetrazol-1-yl)-4-(2-piperidin-2-yl-ethoxy)-1H-quinolin-2-one