(7S,2R)-{1-(4-chlorobenzyl)-2-[4-(7-methyl-5,6,7,8-tetrahydro-pyrido[2,3-d]pyrimidin-4-yl)-piperazin-1-yl]-2-oxo-ethyl}-carbamic acid tert-butyl ester 在
盐酸 作用下,
以
1,4-二氧六环 、
二氯甲烷 为溶剂,
反应 4.0h,
以99%的产率得到(7S,2R)-2-amino-3-(4-chlorophenyl)-1-[4-(7-methyl-5,6,7,8-tetrahydro-pyrido[2,3-d]pyrimidin-4-yl)-piperazin-1-yl]-propan-1-one dihydrochloride