4,4'-diphenyl ether-dialdehyde-bis-dimethylacetal and a...

Details 4,4'-diphenyl ether-dialdehyde-bis-dimethylacetal and a... 4,4'-diphenyl ether-dialdehyde-bis-dimethylacetal and a...

C - Chemistry, Metallurgy

07

C

204/43.5, 260/64

C07C 43/315 (2006.01) C25B 3/02 (2006.01)

Patent

CA 1184207

ABSTRACT OF THE DISCLOSURE Disclosed is the novel compound 4-4'-diphenyl- ether-dialdehyde-bis-dimethylacetyl of the formula Image VII and a process for its preparation from di-e-telyl ether Image by anodic oxidation of the latter in the presence of methanol and of a supporting electrolyte. The anode material used in this reaction is preferably platinum, lead dioxide, graphite or vitreous carbon, and the cathode material used is preferably steel, nickel, or graphite. The supporting electrolyte used is preferably NaCCH3, KOH, KPF6, CsF, NaBF4, LiSF4, tetraethylammonium p-toluenesulfonate, H2SO4 or CH3OSO3H, individually or as a mixture.

392523

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