Chiral Discrimination by a Quadridentate Amine: Structural Characterization of Diastereoisomeric Complexes involving Alanine

J.M. Harrowfield, S-H. Jeong, B.W. Skelton, A.H. White, M-K. Lee, Brian Rukmini, Allan Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

X-ray structure determinations have shown that two Co(III) complexes, derived from alanine and a chiral quadridentate ligand incorporating three 1R,2R-cyclohexyl moieties, both adopt a Delta -cis-beta (2) configuration. The differences between the complexes arise simply because the alanine configuration is R in one and S in the other. Although the quadridentate is effectively stereospecific in its coordination to Co(III), bound also to a bidentate chelate, the [Co(quadridentate)] unit displays little selectivity in its binding of the amino acid enantiomers.
Original languageEnglish
Pages (from-to)63-67
JournalAustralian Journal of Chemistry
Volume54
DOIs
Publication statusPublished - 2001

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