、
4-(2-(3-cyano-4-(ethylsulfonyl)phenylcarbamoyloxy)ethyl)-3-methylphenylboronic acid 、
6-amino-1-(di-tert-butoxycarbonylamino)isoquinoline 、
乙醛酸水合物 以to afford 31C (419 mg, 44%) as a pale yellow solid的产率得到2-(1-(Bis(tert-butoxycarbonyl)amino)isoquinolin-6-ylamino)-2-(4-(2-(3-cyano-4-(ethylsulfonyl)phenylcarbamoyloxy)ethyl)-3-methylphenyl)acetic acid