(S)-2-[N-[4-[N-[[3,4-dihydro-2,7-dimethyl-4-oxo-3-[(pivaloyloxy)methyl]-6-quinazolinyl]methyl]-N-prop-2-ynylamino]-2-fluorobenzoyl]amino]-5-(1H-1,2,3,4-tetrazol-5-ylthio)pentanoic acid ethyl ester 在
间氯过氧苯甲酸 作用下,
以
二氯甲烷 为溶剂,
反应 16.0h,
以36%的产率得到(S,RS)-2-[N-[4-[N-[[3,4-dihydro-2,7-dimethyl-4-oxo-3-[(pivaloyloxy)methyl]-6-quinazolinyl]methyl]-N-prop-2-ynylamino]-2-fluorobenzoyl]amino]-5-(1H-1,2,3,4-tetrazol-5-ylsulfinyl)pentanoic acid ethyl ester