2S,3R,5S-4-(2-{[2-tert-butoxycarbonyl-2-(2,4,6-trimethylbenzenesulfonyl-tert-butoxycarbonylamino)-2-(tert-butoxycarbonyl)ethyl]amino}-2-oxoethoxy)-2-[(tert-butoxycarbonylpyridin-2-ylamino)methyl]pyrrolidine-1-carboxylic acid benzyl ester 在
palladium 10% on activated carbon
氢气 作用下,
以
异丙醇 为溶剂,
反应 12.0h,
以74%的产率得到2S,4R,20S-3-[tert-butoxycarbonyl-(2-(5-[(tert-butoxycarbonyl-pyridin-2-yl-amino)-methyl]-pyrrolidin-3-yloxy)-acetyl)-amino]-2-(2,4,6-trimethyl-benzenesulfonylamino)-propionic acid tert-butyl ester