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Citation: Zheng Guo-Dong, Yan Yan, Wang Ying, Huang Chu-Bao, Gao De, An Qing-Da. Studies on the Production and Dissociation of Coenzyme B₁₂ Models by Electrochemistry and Spectroelectrochemistry(II)[J]. Acta Physico-Chimica Sinica, ;1994, 10(09): 831-837. doi: 10.3866/PKU.WHXB19940912 shu

Studies on the Production and Dissociation of Coenzyme B₁₂ Models by Electrochemistry and Spectroelectrochemistry(II)

1.
Department of Chemistry,Jilin University,Changchun 130023

Received Date: 16 August 1993
Available Online: 15 September 1994

The reaction of CoTPP (cobalt tetrophenylporphyrin) with various alkyl bromides [CH3CH2Br; CH3(CH2)3Br; CH3(CH2)7Br; CH3(CH2)11Br; CH3(CH2)15Br] were studied by cyclic voltammogram. The reaction of [Co(I )TPP]- with alkyl bromide formed coenzym B12 moddel compound containing a cobalt-carbon bond. The formation rate constants are 2.43; 16.73; 28.30; 35.05; 42.36 mol-1•L•s-1 respectively. The relation between the chain length of alkyl bromide the rate constants and the stability of alkyl cobalt porphyrin negtive ion were discussed.
- Coenzyme B₁₂ model compound,
- Electrochemistry,
- Cobalt prphyrin
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Studies on the Production and Dissociation of Coenzyme B12 Models by Electrochemistry and Spectroelectrochemistry(II)

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Studies on the Production and Dissociation of Coenzyme B₁₂ Models by Electrochemistry and Spectroelectrochemistry(II)