[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-2-(6-chloro-pyridin-3-yl)-ethyl]-[2-(4-nitro-phenoxy)-ethyl]-carbamic acid tert-butyl ester 在
吡啶 、 palladium on activated charcoal 、 ammonium formate 作用下,
以
甲醇 、
1,2-二氯乙烷 为溶剂,
生成 [(R)-2-(tert-Butyl-dimethyl-silanyloxy)-2-pyridin-3-yl-ethyl]-{2-[4-(4-methyl-piperidine-1-sulfonylamino)-phenoxy]-ethyl}-carbamic acid tert-butyl ester