Process for preparing 2,6-di-tertiarybutyl-4-mercaptophenol by e

Details Process for preparing 2,6-di-tertiarybutyl-4-mercaptophenol by e Process for preparing 2,6-di-tertiarybutyl-4-mercaptophenol by e

1987-01-14

1988-09-20

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

204 59R, C25B 300

Patent

active

047723637

ABSTRACT:
This invention relates to an improvement in a process for making 2,6-di-tertiarybutyl-4-mercaptophenol and 4,4'-isopropylidenedithio-bis-(2,6-di-tertiarybutylphenol), which is effected by carrying out an electrocatalytic reduction of bis(3,5-di-tertiarybutyl-4-hydroxyphenol)polysulfide at a lead cathode in an acidic electrolyte medium.

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J. Q. Chambers, "Organic Sulfur Compounds" in Encyclopedia of Electrochemistry of the Elements, vol. 12, A. J. Bard, Editor, Marcel Dekker, New York, 1978, pp. 393-409.
E. Larson, Ber. Dtach. Chem. Bes., 61, 1439, (1928).
115212, Dec. 22, 1970, Sagami Chemical Res. Centre Derwent 52259U.
Spain, 485474, Feb. 16, 1981, Chemical Abstracts 95:150171g.

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