(4S,5S)-5-{3-[(S)-2-({[((S)-tert-Butoxycarbonyl-phenyl-methyl)-carbamoyl]-methyl}-carbamoyl)-1-cyclopropylmethyl-2-hydroxy-ethyl]-1-cyclopropylmethyl-ureidomethyl}-4-cyclohexyl-2,2-dimethyl-oxazolidine-3-carboxylic acid isobutyl ester 在
戴斯-马丁氧化剂 作用下,
以
二氯甲烷 为溶剂,
以91%的产率得到(4S,5S)-5-{3-[2-({[((S)-tert-Butoxycarbonyl-phenyl-methyl)-carbamoyl]-methyl}-carbamoyl)-1-cyclopropylmethyl-2-oxo-ethyl]-1-cyclopropylmethyl-ureidomethyl}-4-cyclohexyl-2,2-dimethyl-oxazolidine-3-carboxylic acid isobutyl ester