(3R)-3-(4-bromo-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile

(betaR)-beta-Cyclopentyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-propanenitrile

Pharmaceutical intermediate

Tert-Butyl (2S,4R)-4-((tert-butyldimethylsilyl)oxy)-2-(hydroxymethyl)pyrrolidine-1-carboxylate

peptide synthesis intermediate

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

Pharmaceutical intermediate for proline derivatives

(2S,4R)-1-tert-Butyl 2-methyl 4-((tert-butyldimethylsilyl)oxy)pyrrolidine-1,2-dicarboxylate

protected amino acid intermediate