1-tert-Butyl 2-cyclopentyl 4-[(5-{5-[bis(tert-butoxycarbonyl)amino]-6-[(tert-butoxycarbonyl)(2,6-dichlorobenzyl)amino]pyrazin-2-yl}pyridin-2-yl)methyl]piperazine-1,2-dicarboxylate 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 1.0h,
以to give the title compound (28 mg)的产率得到Cyclopentyl 4-[(5-{5-amino-6-[(2,6-dichlorobenzyl)amino]pyrazin-2-yl}pyridin-2-yl)methyl]piperazine-2-carboxylate