methyl (2S)-2-amino-3-(4-phenylphenyl)propanoate hydrochloride → 3-[4-(3,4-Dichloro-benzyloxy)-phenyl]-2-oxo-1,2,3,5,7,8-hexahydro-4-oxa-1,6-diaza-anthracene-6-carboxylic acid isopropyl ester

Beteiligte Stoffe

Reaktionsschritte

(S)-3-[4-(3,4-Dichloro-benzyloxy)-phenyl]-2-oxo-1,2,3,5,7,8-hexahydro-4-oxa-1,6-diaza-anthracene-6,7-dicarboxylic acid 6-isopropyl ester (120 mg) was coupled with (S)-2-amino-3-biphenyl-4-yl-propionic acid methyl ester hydrochloride according to general procedure A to provide (S)-74(S)-2-biphenyl-4-yl-1-methoxycarbonyl-ethylcarbamoyl)-3-[4-(3,4-dichloro-benzyloxy)-phenyl]-2-oxo-1,2,3,5,7,8-hexahydro-4-oxa-1,6-diaza-anthracene-6-carboxylic acid isopropyl ester (151 mg, LC/MS: m/z 825).

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