N-2(S)-[1(S)-hydroxycarbamoyl-1-ethyl]-2(S)-hydroxy-4-methylpentanoyl-L-4-chlorophenylalanine N-(2-cyano-1-ethyl) amide 在
羟胺 作用下,
以
正丁醇 为溶剂,
以53%的产率得到N-2(S)-[1(S)-hydroxycarbamoyl-1-ethyl]-2(S)-hydroxy-4-methylpentanoyl L-4-chlorophenylalanine N-oximino-2-amino-2-ethylamide