methyl (2S)-2-[4-[N-[(3,4-dihydro-2,7-dimethyl-4-oxo-6-quinazolinyl)methyl]-N-prop-2-ynylamino]-2-fluorobenzamido]-4-(1-methoxycarbonylmethyltetrazol-5-yl)butyrate 在
sodium hydroxide 作用下,
以
甲醇 、
水 为溶剂,
反应 3.0h,
以73%的产率得到(2S)-2-[4-[N-[(3,4-dihydro-2,7-dimethyl-4-oxo-6-quinazolinyl)methyl]-N-prop-2-ynylamino]-2-fluorobenzamido]-4-(1-carboxymethyltetrazol-5-yl)butyric acid