(R)-1-(tert-butyl-3-(4-(3-(tert-butoxycarbonyl)((tetrahydro-2H-pyran-4-yl)methyl)amino)-4-chlorophenyl)-5-chloropyridin-2-ylcarbamoyl)piperidine-1-carboxylate 、
盐酸 在
二甲基亚砜 、
三氟乙酸 作用下,
以
甲醇 、
1,4-二氧六环 为溶剂,
反应 0.5h,
以Fractions were lyophilized providing (R)—N-(5-chloro-4-(4-chloro-3-(((tetrahydro-2H-pyran-4-yl)methyl)amino)phenyl)-pyridin-2-yl)piperidine-3-carboxamide (17.5 mg) as its trifluoroacetic acid salt的产率得到(R)-1-(tert-butyl-3-(4-(3-(tert-butoxycarbonyl)((tetrahydro-2H-pyran-4-yl)methyl)amino)-4-chlorophenyl)-5-chloropyridin-2-ylcarbamoyl)piperidine-1-carboxylate