(4R)-Thiazolidine-4-carboxylic acid: ligand specificity and the synthesis and X-ray structure of a cobalt(III) complex

Abstract

The N,O mode of bonding of the thiazolidine-4-carboxylate ligand and the structure of the Δ-bis-(ethane-1,2-diamine)[(3R,4R)-thiazolidine-4- carboxylato-N,O]cobalt(2+) ion have been determined. The stereospecificity induced by the chiral amino acid between the A and A forms is discussed in relation to analogous proline chemistry.