(S)-N1-((S)-2-Benzylcarbamoyl-2-hydroxy-1-methyl-ethyl)-2-[(S)-2-(3,3-dimethyl-butyrylamino)-3,3-dimethyl-butyrylamino]-N4,N4-dimethyl-succinamide 在
2,2,6,6-tetramethyl-piperidine-N-oxyl 、
sodium hypochlorite 、 potassium bromide 作用下,
以82%的产率得到(S)-N
1-((S)-2-Benzylcarbamoyl-1-methyl-2-oxo-ethyl)-2-[(S)-2-(3,3-dimethyl-butyrylamino)-3,3-dimethyl-butyrylamino]-N
4,N
4-dimethyl-succinamide