Preparation of benzene derivatives and novel benzene...

Details Preparation of benzene derivatives and novel benzene... Preparation of benzene derivatives and novel benzene...

C - Chemistry, Metallurgy

07

C

260/493, 204/43.

C07C 33/40 (2006.01) C07C 33/46 (2006.01) C07C 33/50 (2006.01) C07C 69/63 (2006.01) C25B 3/02 (2006.01)

Patent

CA 1331016

- 27 - Abstract of the Disclosure: Benzene derivatives of the general formula Image I where Hal is halogen, R1 is a hydrocarbon radical of 1 to 18 carbon atoms, R2 is hydrogen or alkyl of 1 to 6 carbon atoms and X is hydrogen or halogen, are prepared by a process in which a toluene derivative of the general formula Image II is electronically oxidized in the presence of an acid of the formula R2-COOH (III). Novel benzene derivatives of the general formula Image IV where R3 is hydrogen or an R2-CO- radical but R1 cannot be methyl if X is hydrogen, and of the general formula Image VI where R4 is a branched or cyclic alkyl radical of 3 to 12 carbon atoms, but R4 cannot be isopropyl if X is hydrogen.

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