The chemistry of vitamin B12. Part 26. Co-ordination of the malonitrile anion by CoIII corrinoids: First experimental determination of equilibrium constants for the co-ordination of a tetrahedral carbanion by a transition-metal ion

Eric A. Betterton; Susan M. Chemaly; John M. Pratt

doi:10.1039/DT9850001619

The chemistry of vitamin B₁₂. Part 26. Co-ordination of the malonitrile anion by Co^III corrinoids: First experimental determination of equilibrium constants for the co-ordination of a tetrahedral carbanion by a transition-metal ion

Eric A. Betterton, Susan M. Chemaly, John M. Pratt

Institute of Atmospheric Physics

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Equilibrium constants for the substitution of co-ordinated H₂O by the malonitrile anion, CH(CN)₂^-, in the Co^III corrinoids aquocobalamin and diaquocobinamide have been determined in aqueous solution at 25 °C as log K(dm³ mol^-1) = 7.4 and ca. 11.5 respectively.

Original language	English (US)
Pages (from-to)	1619-1622
Number of pages	4
Journal	Journal of the Chemical Society, Dalton Transactions
Issue number	8
DOIs	https://doi.org/10.1039/DT9850001619
State	Published - 1985

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Chemistry(all)

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Betterton, E. A., Chemaly, S. M., & Pratt, J. M. (1985). The chemistry of vitamin B₁₂. Part 26. Co-ordination of the malonitrile anion by Co^III corrinoids: First experimental determination of equilibrium constants for the co-ordination of a tetrahedral carbanion by a transition-metal ion. Journal of the Chemical Society, Dalton Transactions, (8), 1619-1622. https://doi.org/10.1039/DT9850001619

The chemistry of vitamin B₁₂. Part 26. Co-ordination of the malonitrile anion by Co^III corrinoids: First experimental determination of equilibrium constants for the co-ordination of a tetrahedral carbanion by a transition-metal ion. / Betterton, Eric A.; Chemaly, Susan M.; Pratt, John M.
In: Journal of the Chemical Society, Dalton Transactions, No. 8, 1985, p. 1619-1622.

Research output: Contribution to journal › Article › peer-review

Betterton, EA, Chemaly, SM & Pratt, JM 1985, 'The chemistry of vitamin B₁₂. Part 26. Co-ordination of the malonitrile anion by Co^III corrinoids: First experimental determination of equilibrium constants for the co-ordination of a tetrahedral carbanion by a transition-metal ion', Journal of the Chemical Society, Dalton Transactions, no. 8, pp. 1619-1622. https://doi.org/10.1039/DT9850001619

Betterton, Eric A. ; Chemaly, Susan M. ; Pratt, John M. / The chemistry of vitamin B₁₂. Part 26. Co-ordination of the malonitrile anion by Co^III corrinoids : First experimental determination of equilibrium constants for the co-ordination of a tetrahedral carbanion by a transition-metal ion. In: Journal of the Chemical Society, Dalton Transactions. 1985 ; No. 8. pp. 1619-1622.

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