(S,S,S)-6-amino-6-cyclohexylmethyl-4-isopropyl-1-hexen-5-ol hydrochloride 、
N-α-N-im-di-t-butoxycarbonyl-N-α-methylhistidine 在
N-甲基吗啉 、 O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 作用下,
以
N-甲基乙酰胺 为溶剂,
生成 (S)-3-(t-butoxycarbonyl)-α-[1-(t-butoxycarbonyl)-N-methyl-formamido]-N-[(1S,2S,4S)-1-(cyclohexylmethyl)-2-hydroxy-4-isopropyl-5-hexenyl]imidazole-4-propionamide