、 、 5-[N-(t-butoxycarbonyl)-3-(4-thiazolyl)-L-alanyl]amino-4-hydroxy-2-(1-hydroxy-1-methylethyl)-7-methyl-N-methyl octanamide 、
(2R)-3-(Morpholinocarbonyl)-2-(1-naphthylmethyl)-propionic acid 、
氰基磷酸二乙酯 、
三乙胺 以to obtain 205 mg (yield 94%) of the title compound as a white amorphous substance的产率得到(2S,4S,5S)-5-{N-[2(R)-(1-Naphthylmethyl)-3-(morpholinocarbonyl)propionyl]-3-(4-thiazolyl)-L-alanyl}amino-4-hydroxy-2-(1-hydroxy-1-methylethyl)-7-methyl-N-methyloctanamide