甲烷磺酸 、
(2-morpholin-4-yl-2-oxoethyl) 4-[(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-5-[phenylmethoxycarbonyl-[(E)-N'-phenylmethoxycarbonylcarbamimidoyl]amino]pentanoyl]oxybenzoate 在
palladium on activated charcoal 、
氢气 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以121 mg的产率得到4-((S)-2-tert-Butoxycarbonylamino-5-guanidino-pentanoyloxy)-benzoic acid 2-morpholin-4-yl-2-oxo-ethyl ester; compound with methanesulfonic acid