乙酸酐 、
L-phenylalanyl-N-<4(S)-<(butylamino)carbonyl>-1(S)-(cyclohexylmethyl)-2(S)-hydroxy-5-methylhexyl>-L-norleucinamide 以
二氯甲烷 为溶剂,
反应 1.0h,
以50%的产率得到N-acetyl-L-phenylalanyl-N-<4(S)-<(butylamino)carbonyl>-1(S)-(cyclohexylmethyl)-2(S)-hydroxy-5-methylhexyl>-L-norleucinamide