(2R,4S,5S)-5-[N-(t-butoxycarbonyl)-3-(4-thiazolyl)-L-alanyl]amino-6-cyclohexyl-4-hydroxy-N-isobutyl-2-methylhexanamide 、
2(R)-benzyl-3-(N-benzyl-N-methylaminocarbonyl)propionic acid 以to afford 216 mg of the title compound as a colorless powder, melting at 118°-120° C.的产率得到(2R,4S,5S)-5-{N-[2(R)-benzyl-3-(N-benzyl-N-methylaminocarbonyl)propionyl]-3-(4-thiazolyl)-L-alanyl}amino-6-cyclohexyl-4-hydroxy-N-isobutyl-2-methylhexanamide