Tetrahedron p. 7813 - 7822 (1990)
Update date:2022-08-02
Topics:
Barba, Isidoro
Chinchilla, Rafael
Gomez, Cecilia
The anodic methoxylation of a series of alkylbiphenyls (2-, 3-, 4-methylbiphenyl, 3,3'-, 4,4'-dimethylbiphenyl, 4-ethylbiphenyl and 4,4'-di-tert-butylbiphenyl) carried out under constant current intensity afforded, in a process of two electrons, a number of cis/trans cyclohexa-1,4-dienes and, in a process of four electrons, a number of cyclohexa-2,5-dienones after acidic hydrolysis of the corresponding cyclohexa-1,4-diene ketals.In some cases, side-chain substitution products were also obtained.Probable mechanisms are proposed.
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