Hydrochloric Acid → HCID 178502288, compound

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Reaction Steps

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 methyl (S)-3-methyl-1-oxo-1-((S)-8-(5-(4-(2-((S)-pyrrolidin-2-yl)-1H-naphtho[1,2-d]imidazol-7-yl)phenyl)-1H-imidazol-2-yl)-1,4-dioxa-7-azaspiro[4.4]nonan-7-yl)butan-2-ylcarbamate 3× HCl salt and (2S,3R)-3-methoxy-2-(methoxycarbonylamino)butanoic acid were used instead of (S)-benzyl 4-oxopyrrolidine-2-carboxylate hydrochloride and (S)-2-(methoxycarbonylamino)-3-methylbutanoic acid. MS (ESI) m/z 838.73 [M+H]+. (45 mg, 54%).

Provenance & Evidence