Methyl-transfer by methylcobalamin to tetracyanoethylene
- 1 January 1982
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 24,p. 1369-1370
- https://doi.org/10.1039/c39820001369
Abstract
Mixtures of methylcobalamin and tetracyanoethylene in CH3OH–H2O media display a sharp absorption band at 420 nm (ε= 1.1 × 104| mol–1 cm–1 and formation constant = 3.9 × 102| mol–1,23 °C), indicating the formation of a charge-transfer complex between the corrin π-orbitals and tetracyanoethylene prior to the methyl-transfer step; the relevance to Co–C bond cleavage is discussed.Keywords
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