(2R,4R)-2-(Hydroxymethyl)-4-propyl-1-pyrrolidinecarboxylic Acid 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.