(3R)-10-[(3S,4S)-3-[(N-tert-butoxycarbonyl-N-cyclopropyl)amino]methyl-4-fluoromethyl-1-pyrrolidine]-9-fluoro-3-fluoromethyl-2,3-dihydro-7-oxo-7H-pyrido[1,2,3-d.e][1,4]benzoxazine-6-carboxylic acid 在
盐酸 作用下,
以
乙醇 为溶剂,
反应 1.0h,
生成 (3R)-10-[(3S,4S)-3-cyclopropylaminomethyl-4-fluoromethyl-1-pyrrolidinyl]-9-fluoro-3-fluoromethyl-2,3-dihydro-7-oxo-7H-pyrido[1,2,3-d.e][1,4]benzoxazine-6-carboxylic acid hydrochloride