Reaktion #41887

ord-1dc4bf609c5b49c9be2f4f24290fe1d0

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Vorschrift

(S)-3-(4′-chloro, —biphenyl-4-yl)-2-{[(3R,7S)-3-(4-hydroxy-phenyl)-1-methyl-2-oxo-6-((S)-1-phenyl-propyl)-2,3,5,6,7,8-hexahydro-1H-4-oxa-1,6-diaza-anthracene-7-carbonyl]-amino}-propionic acid methyl ester (74 mg) was converted to (S)-3-(4′-chloro-biphenyl-4-yl)-2-{[(3R,7S)-3-[4-(3,4-dichloro-benzyloxy)-phenyl]-1-methyl-2-oxo-6-((S)-1-phenyl-propyl)-2,3,5,6,7,8-hexahydro-1H-4-oxa-1,6-diaza-anthracene-7-carbonyl]-amino}-propionic acid methyl ester (60 mg) using general procedure K. This ester upon hydrolysis furnished title compound (52 mg) using general procedures B. LC-MS (m/z): 888.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07727983B2uspto-grants-2010_06