(2S)-2-((methoxycarbonyl)amino)-3-methylbutanoic acid → HCID 86708767, Verbindung

Beteiligte Stoffe

Reaktionsschritte

The title compound was prepared according to the method employed to prepare (S)-benzyl 1-((S)-2-(methoxycarbonylamino)-3-methylbutanoyl)-4-oxopyrrolidine-2-carboxylate, except that (S)-2-(methoxycarbonylamino)-2-(tetrahydro-2H-pyran-4-yl)acetic acid and methyl (R)-2-((S)-8-(6-(9,9-difluoro-7-(2-((S)-pyrrolidin-2-yl)-1H-imidazol-5-yl)-9H-fluoren-2-yl)-1H-benzo[d]imidazol-2-yl)-1,4-dioxa-7-azaspiro[4.4]nonan-7-yl)-2-oxo-1-phenylethylcarbamate as 3HCl salt and (S)-2-(methoxycarbonylamino)-2-(tetrahydro-2H-pyran-4-yl)acetic acid were used instead of (S)-benzyl 4-oxopyrrolidine-2-carboxylate hydrochloride and (S)-2-(methoxycarbonylamino)-3-methylbutanoic acid. MS (ESI) m/z 972.29 [M+H]+. (27.6 mg, 53%).

Herkunft & Nachweise