1-tert-butyl 2-methyl (2R)-5-oxopyrrolidine-1,2-dicarboxylate

(R)-Di-tert-butyl 5-oxopyrrolidine-1,2-dicarboxylate

Pharmaceutical intermediate for peptide synthesis

Di-tert-butyl (2s)-5-oxopyrrolidine-1,2-dicarboxylate

Pharmaceutical intermediate for peptide synthesis

1,2-Pyrrolidinedicarboxylic acid, 5-oxo-, 1-(1,1-dimethylethyl) ester, (2S)-

Boc-protected amino acid intermediate

1-Boc-D-Pyroglutamic acid ethyl ester

Pharmaceutical intermediate

5H-Cyclohepta[b]pyridin-5-ol, 6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-9-[[tris(1-methylethyl)silyl]oxy]-, (5R,6S,9R)-

Pharmaceutical intermediate for synthesis

5H-Cyclohepta[b]pyridine, 5-chloro-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-9-[[tris(1-methylethyl)silyl]oxy]-, (5R,6S,9R)-

pharmaceutical intermediate

Rimegepant Impurity 73

Pharmaceutical intermediate for Rimegepant synthesis

5H-Cyclohepta[b]pyridin-5-amine, 6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-9-[[tris(1-methylethyl)silyl]oxy]-, (5S,6S,9R)-

pharmaceutical intermediate