(4-morpholinylcarbonyl)-L-homophenylalanine 、
(S)-2-Amino-N-((1S,2R,3S)-1-cyclohexylmethyl-2,3-dihydroxy-5-methyl-hexyl)-3-(1H-imidazol-4-yl)-propionamide; hydrochloride 在
1-羟基苯并三唑 、
N,N'-二环己基碳二亚胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以63%的产率得到Morpholine-4-carboxylic acid {(S)-1-[(S)-1-((1S,2R,3S)-1-cyclohexylmethyl-2,3-dihydroxy-5-methyl-hexylcarbamoyl)-2-(1H-imidazol-4-yl)-ethylcarbamoyl]-3-phenyl-propyl}-amide