Issue 0, 1967

Optically active co-ordination compounds. Part X. Kinetic stereoselectivity and absolute configuration in some complexes of cobalt(III)

Abstract

(+)-Tartaric acid reacts more quickly with L-bisaquobisethylenediaminecobalt(III) ion than with the D-bisaquo-complex. The unchanged D-bisaquo-complex can be converted into D-[Co en2(NO2)2]n+. By exhaustive reactions with (+)-tartrate it can be converted into D-[Co en2{(+)-tartrate}]+. Similarly, L-glutamic acid reacts with D-[Co en2(H2O)2]3+ more quickly than with L-[Co en2(H2O)2]3+, and the product, D-[Co en2(L-glutamate)](CIO4) crystallises optically pure. Absolute configurations of the complexes mentioned are presented, with some comments on the three-point attachments underlying the present effects.

Article information

Article type
Paper

J. Chem. Soc. A, 1967, 1469-1473

Optically active co-ordination compounds. Part X. Kinetic stereoselectivity and absolute configuration in some complexes of cobalt(III)

J. H. Dunlop, R. D. Gillard and N. C. Payne, J. Chem. Soc. A, 1967, 1469 DOI: 10.1039/J19670001469

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