(R)-ethyl 2-chloro-4-((10-methyl-8-oxo-9,10,11,12-tetrahydro-8H-[1,4]diazepino[5',6':4,5]thieno[3,2-f]quinolin-3-yl)amino)pyrimidine-5-carboxylate 在
lithium hydroxide 作用下,
以
甲醇 、
水 为溶剂,
以98%的产率得到(R)-2-chloro-4-((10-methyl-8-oxo-9,10,11,12-tetrahydro-8H-[1,4]diazepino[5',6':4,5]thieno[3,2-f]quinolin-3-yl)amino)pyrimidine-5-carboxylic acid