[3-(tert-butyldimethylsilanyloxy)piperidin-4-yl]carbamic acid tert-butyl ester 、 3-[2-(2-bromoacetylamino)-2-(2,9,9-trimethyl-3,5-dioxa-4-boratricyclo[6.1.1.02,6]dec-4-yl)ethyl]-2-methoxybenzoic acid tert-butyl ester 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
反应 17.0h,
以8%的产率得到3-[2-{2-[4-tert-butoxycarbonylamino-3-(tert-butyldimethylsilanyloxy)piperidin-1-yl]acetylamino}-2-(2,9,9-trimethyl-3,5-dioxa-4-boratricyclo[6.1.1.02,6]dec-4-yl)ethyl]-2-methoxybenzoic acid tert-butyl ester