4(S)-[4-(3(R,S)-methoxycarbonylamino-3,4-dihydro-2H-quinolin-1-yl)-2,2-dimethyl-4-oxo-butyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester 在
对甲苯磺酸 作用下,
以
二氯甲烷 为溶剂,
反应 5.0h,
生成
[1-(5(S)-tert-butoxycarbonylamino-6-hydroxy-3,3-dimethyl-hexanoyl)-1,2,3,4-tetrahydro-quinolin-3(R,S)-yl]-carbamic acid methyl ester