2-(RS)-benzyl-4-(4-chlorophenyl)-4-oxo-butyric acid 、
(S)-α-amino-N-[(1S,2S,4S)-1-(cyclohexylmethyl)-2-hydroxy-4-isopropyl-5-hexenyl]imidazole-4-propionamide 、
三乙胺 、
2-(1h-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate 在
乙酸乙酯 、
碳酸氢钠 、
氯化钠 、
Sodium sulfate-III 、 silica gel 、
二氯甲烷 、
甲醇 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 16.0h,
以There were obtained 270 mg (78%) of (S)-α-[(RS)-α-(4-chlorophenylacetyl)hydrocinnamamido]-N-[(1S,2S,4S)-1-(cyclohexylmethyl)-2-hydroxy-4-isopropyl-5-hexenyl]imidazole-4-propionamide in the form of a yellowish foam的产率得到(S)-alpha-[(RS)-alpha-(4-chlorophenylacetyl)hydrocinnamamido]-N-[(1S,2S,4S)-1-(cyclohexylmethyl)-2-hydroxy-4-isopropyl-5-hexenyl]imidazole-4-propionamide