N-[(1S)-2-[[(5S)-5-[(4-amino-3-chloro-phenyl)sulfonyl-isobutyl-amino]-6-hydroxy-hexyl]amino]-1-(1-naphthylmethyl)-2-oxo-ethyl]morpholine-4-carboxamide 、 (S)-2-[(Morpholine-4-carbonyl)-amino]-3-naphthalen-2-yl-propionic acid 、
L-3-(2-萘基)-丙氨酸 、 (2S)-2-[(morpholine-4-carbonyl)-amino]-3-naphthalen-1-yl-propionic acid 、
3-(1-萘基)-L-丙氨酸 以The final product was obtained in 25% yield (51 mg)的产率得到N-[(1S)-2-[[(5S)-5-[(4-amino-3-chloro-phenyl)sulfonyl-isobutyl-amino]-6-hydroxy-hexyl]amino]-1-(2-naphthylmethyl)-2-oxo-ethyl]morpholine-4-carboxamide