(S)-3-(4'-cyano-biphenyl-4-yl)-2-({(S)-3-[4-(4-methoxy-3-trifluoromethyl-benzyloxy)-phenyl]-2-oxo-2,3,5,6,7,8-hexahydro-1H-4-oxa-1,6-diaza-anthracene-7-carbonyl}-amino)-propionic acid methyl ester hydrochloride → (S)-2-({(S)-6-Benzoyl-3-[4-(4-methoxy-3-trifluoromethyl-benzyloxy)-phenyl]-2-oxo-2,3,5,6,7,8-hexahydro-1H-4-oxa-1,6-diaza-anthracene-7-carbonyl}-amino)-3-(4'-cyano-biphenyl-4-yl)-propionic acid

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Reaction Steps

(S)-7-[(S)-2-(4′-Cyano -biphenyl-4-yl)-1-methoxycarbonyl-ethylcarbamoyl]-3-(4-hydroxy-phenyl)-2-oxo-1,2,3,5,7,8-hexahydro-4-oxa-1,6-diaza-anthracene-6-carboxylic acid tert-butyl ester was converted to (S)-3-(4′-cyano-biphenyl-4-yl)-2-({(S)-3-[4-(4-methoxy-3-trifluoromethyl-benzyloxy)-phenyl]-2-oxo-2,3,5,6,7,8-hexahydro-1H-4-oxa-1,6-diaza-anthracene-7-carbonyl}-amino)-propionic acid methyl ester hydrochloride following the general procedure L and C. Title compound (9 mg) was prepared from (S)-3-(4′-cyano-biphenyl-4-yl)-2-({(S)-3-[4-(4-methoxy-3-trifluoromethyl-benzyloxy)-phenyl]-2-oxo-2,3,5,6,7,8-hexahydro-1H-4-oxa-1,6-diaza-anthracene-7-carbonyl}-amino)-propionic acid methyl ester hydrochloride following general procedures F and B. LC-MS (m/z): 882.

Provenance & Evidence