2-acetoxymethyl-5,7-dimethyl-3-(4-methoxyphenyl)-4-oxo-3,4-dihydroquinazoline-6-carboxylic acid ethyl ester 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
反应 0.33h,
以90%的产率得到2-hydroxymethyl-5,7-dimethyl-3-(4-methoxyphenyl)-4-oxo-3,4-dihydroquinazoline-6-carboxylic acid ethyl ester hydrochloride salt