(S)-Di-tert-butyl 4-oxopyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate

Boc-protected amino acid intermediate

(2R)-1-[(tert-butoxy)carbonyl]-4-oxopyrrolidine-2-carboxylic acid

Boc-protected proline derivative for synthesis

(2S)-1-(tert-butoxycarbonyl)-4-oxopyrrolidine-2-carboxylic acid

Pharmaceutical intermediate for teneligliptin

1-[(tert-butoxy)carbonyl]-4-oxopyrrolidine-2-carboxylic acid

research compound

Benzyl L-prolinate HCl

Pharmaceutical intermediate for proline derivatives

1-O-tert-butyl 2-O-methyl (2S)-2,5-dihydropyrrole-1,2-dicarboxylate

Pharmaceutical intermediate for proline derivatives

(2r,4r)-4-hydroxy-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

Pharmaceutical intermediate for proline derivatives

Methyl (2S,4R)-4-aminopyrrolidine-2-carboxylate hydrochloride, N1-BOC protected

Pharmaceutical intermediate for proline derivatives