tert-butyl 7-[8-(tert-butoxycarbonylamino)-7-fluoro-3-[[3-(hydroxymethyl)cyclobutoxy]carbonylamino]-6-isoquinolyl]-8-methyl-2,3-dihydropyrido[2,3-b][1,4]oxazine-1-carboxylate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
生成 (1r,3r)-3-(hydroxymethyl)cyclobutyl (8-amino-7-fluoro-6-(8-methyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-7-yl)isoquinolin-3-yl)carbamate 、 (1s,3s)-3-(hydroxymethyl)cyclobutyl (8-amino-7-fluoro-6-(8-methyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-7-yl)isoquinolin-3-yl)carbamate