2-hydroxy-N-[(3S)-pyrrolidin-3-yl]acetamide 、 2-((2,2'-dichloro-3'-(5-formyl-6-methoxypyridin-2-yl)-[1,1'-biphenyl]-3-yl)carbamoyl)-1-methyl-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridine-5-carboxylate tert-butyl ester 在
2,2,2-三氟乙醇 、 sodium cyanoborohydride 作用下,
以
二氯甲烷 、
2,2,2-三氟乙醇 为溶剂,
以88.77 %的产率得到tert-butyl (S)-2-((2,2'-dichloro-3'-(5-((3-(2-hydroxyacetamido)pyrrolidin-1-yl)methyl)-6-methoxypyridin-2-yl)-[1,1'-biphenyl]-3-yl)carbamoyl)-1-methyl-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-carboxylate