5-chloro-2-[(napthalen-1-yl-methyl)-amino]-benzoic acid 、
(2S)-amino-3-(2'-phenoxy-biphenyl-4-yl)-propionic acid methyl ester hydrochloride salt 以to give 2-{5-Chloro-2-[(naphthalene-1-yl-methyl)-amino]-3-(2′phenoxy-biphenyl-4-yl)-propionic acid methyl ester (0.155 g, 75.6%)的产率得到5-Chloro-2-[(naphthalene-1-yl-methyl)-amino]-3-(2'phenoxy-biphenyl-4-yl)-propionic acid methyl ester