benzyl 3-[2(R)-[1(S)-(tert-butoxycarbonyl)-4-phenylbutyl]-4-methylvaleramido]-2,4-dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylate 、
氢气 在
钯 甲醇 、
乙醚 作用下,
以
甲醇 为溶剂,
反应 18.0h,
以there was obtained 0.81 g of 2(R)-[1(S)-(tert-butoxycarbonyl)-4-phenylbutyl]-4-methyl-N-[2,4-dioxo-1,3,8-triazaspiro[4.5]decan-3-yl]valeramide in the form of a white solid的产率得到2(R)-[1(S)-(tert-butoxycarbonyl)-4-phenylbutyl]-4-methyl-N-[2,4-dioxo-1,3,8-triazaspiro[4.5]decan-3-yl]valeramide