(2R,4R)-4-Propyl-1,2-pyrrolidinedicarboxylic Acid 1-(1,1-Dimethylethyl) Ester is an intermediate in the synthesis of 2’-epi-Lincomycin which is an epimer of Lincomycin (L466200) which is a 6-amino, 6-deoxy-octopyraninose with strong antibiotic activity.