methyl 4-[3-({6-[(tert-butoxycarbonyl)(methyl)amino]pyridin-2-yl}methyl)azetidin-1-yl]-N-(2,6-dichlorobenzoyl)-L-phenylalaninate 在
二氯甲烷 、
ammonia methanol 、 silica gel 作用下,
以
三氟乙酸 为溶剂,
反应 1.0h,
以to give methyl N-(2,6-dichlorobenzoyl)-4-(3-{[6-(methylamino)pyridin-2-yl]methyl}azetidin-1-yl)-L-phenylalaninate (200 mg, 83%)的产率得到methyl N-(2,6-dichlorobenzoyl)-4-(3-{[6-(methylamino)pyridin-2-yl]methyl}azetidin-1-yl)-L-phenylalaninate