(5R,4'R,5'S,1''S)-4,5-dihydro-2-(1''-acetamido-3''-methyl-1''-butyl)-5-[(1',5'-dimethyl-4'-phenylimidazolidin-2'-on-3'-yl)carbonyl]oxazole 在
盐酸 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以95%的产率得到(4R,5S,2'R,2''S)-1,5-dimethyl-3-[3'-(2''-acetamido-4''-methylpentanoyl)amino-2'-hydroxypropionyl]-4-phenylimidazolidin-2-one