Tetrazinodi(heteroarene): Voltammetrische und cyclovoltammetrische Untersuchung der Oxidation in Methanol, Acetonitril und Dichlormethan | Zendy

Hellrung Bruno | Zendy; Balli Heinz | Zendy

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Tetrazinodi(heteroarene): Voltammetrische und cyclovoltammetrische Untersuchung der Oxidation in Methanol, Acetonitril und Dichlormethan

Author(s) -

Hellrung Bruno,

Balli Heinz

Publication year - 1986

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19860690625

Subject(s) - chemistry , dichloromethane , cyclic voltammetry , acetonitrile , methanol , electrochemistry , radical ion , medicinal chemistry , ion , inorganic chemistry , electrode , organic chemistry , solvent

Tetrazinodi(heteroarenes): Voltammetric and Cyclovoltammetric Studies of the Oxidation in Methanol, Acetonitrile, and Dichloromethane The oxidation of seven symmetrical [1,2,4,5]tetrazinodi(heteroarenes) with different heterocycles has been investigated by means of dc, ac, and cyclic triangular voltammetry in MeCN and CH 2 Cl 2 (containing Bu 4 NClO 4 ), MeOH (containing LiCl) and in MeOH/H 2 O (equimolar mixture). The two step oxidation mechanism has been found of type ‘e‐e’ with quasi‐reversible electrochemical steps. Oxidation potentials and transfer coefficients have been measured (0 to +0.5 V vs. Ag/AgCl/3.5M KCl for the first oxidation step and potential differences of 0.8 to 1.3 V to the second oxidation step), indicating a high radical‐ion stability.

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