N2-[4-[N-[[3,4-dihydro-2,7-dimethyl-4-oxo-3-[(pivaloyloxy)methyl]-6-quinazolinyl]methyl]-N-prop-2-ynylamino]-2-fluorobenzoyl]-N5-(methanesulfonyl)-L-glutamine 在
sodium hydroxide 作用下,
以
乙醇 为溶剂,
反应 0.5h,
以60%的产率得到(S)-2-{4-[(2,7-Dimethyl-4-oxo-3,4-dihydro-quinazolin-6-ylmethyl)-prop-2-ynyl-amino]-2-fluoro-benzoylamino}-5-methanesulfonylamino-5-oxo-pentanoic acid