5,7-diethyl-2-oxo-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)biphenyl-4-yl)methyl]-1,2-dihydro-1,6-naphthyridin-3-carboxylic acid 、
二氯甲烷 在
甲醇 、
乙醚 作用下,
以
甲醇 、
盐酸 为溶剂,
反应 0.25h,
以to give 5,7-diethyl-2-oxo-1-[(2'-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl]-1,2-dihydro-1,6-naphthyridin-3-carboxylic acid hydrochloride (75 mg) as a solid的产率得到5,7-diethyl-2-oxo-1-[(2'-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl]-1,2-dihydro-1,6-naphthyridin-3-carboxylic acid hydrochloride