Resolution of Optical Isomers by Thin‐Layer Chromatography Enantiomeric Purity of D‐Penicillamine

Abstract
Penicillamine (1) is condensed with formaldehyde to form the enantiomeric 5,5‐dimethylthiazolidinecarboxylic acids D‐3 and L‐3. These enantiomers are separated by TLC on CHIRALPLATE®.