(2R,4S,5S)-5-[N-(t-butoxycarbonyl)-3-(4-thiazolyl)-L-alanyl]amino-N-butyl-6-cyclohexyl-4-hydroxy-2-methylhexanamide 、
2-(R)-(4-methoxybenzyl)-3-morpholinocarbonyl propionic acid 以to afford 158 mg of the title compound as a white powder, melting at 130°-132° C.的产率得到(2R,4S,5S)-N-butyl-6-cyclohexyl-4-hydroxy-5-{N-[2(R)-(4-methoxybenzyl)-3-(morpholinocarbonyl)propionyl]-3-(4-thiazolyl)-L-alanyl}amino-2-methylhexanamide