N,N-dimethyl-2-<<1(S)-phenylethyl>amino>acetamide 、
(S)-N-((1S,2R,3S)-1-Cyclohexylmethyl-2,3-dihydroxy-5-methyl-hexyl)-3-thiazol-2-ylmethyl-succinamic acid 在
(benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以19%的产率得到(S)-N
1-((1S,2R,3S)-1-Cyclohexylmethyl-2,3-dihydroxy-5-methyl-hexyl)-N
4-dimethylcarbamoylmethyl-N
4-((S)-1-phenyl-ethyl)-2-thiazol-2-ylmethyl-succinamide