Production of 1,2-bis(hydroxy-phenyl)ethane-1,2-diols by electro

Chemistry: electrical and wave energy – Processes and products

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204 73R, 568644, 568729, C25B 304

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active

041337298

ABSTRACT:
The product 1,2-bis(hydroxyphenyl)ethane-1,2-diol of electrolytic reductive coupling of hydroxybenzaldehyde is recovered by purging the electrolyte solution and extracting the 1,2-bis(hydroxyphenyl)ethane-1,2-diol, leaving a product extraction residue which may be used as an essential portion of the electrolyte solution.

REFERENCES:
patent: 3899401 (1975-08-01), Nohe et al.
patent: 4087336 (1978-05-01), Wagenknecht
J. Grimshaw et al., J. Chemical Soc., (c), pp. 653-655, (1966).

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