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

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

1986-10-17

1988-03-29

Ceperley, Mary E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

568 23, 568 62, C07C14936

Patent

active

047345276

ABSTRACT:
In a process for making 2,6-di-tertiarybutyl-4-mercaptophenol by the Zn/acid reduction of bis (3,5-di-tertiarybutyl-4-hydroxyphenyl)polysulfide the addition of catalytic amounts of lead to the zinc reagent results in substantial improvement in the process.

REFERENCES:
patent: 3479407 (1969-11-01), Laufer
patent: 3576883 (1971-04-01), Neuworth
patent: 3678115 (1972-07-01), Fujisawa et al.
patent: 3718699 (1973-02-01), Fujisawa et al.
patent: 3812192 (1974-05-01), Gabler et al.
patent: 3952064 (1976-04-01), Whalley
Translation of Japan Kokai No. 163536/79, published Dec. 26, 1979.
Translation of Japan Kokai No. 17316/80, published Feb. 6, 1980.
Translation of Japan Kokai No. 904/80, published Jan. 22, 1980.
R. Galiano et al, Chem. Abstracts 95:150171g, (1981).
Derwent Abstract of JA 7328425, published Sep. 1, 1973.

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