Process for the preparation of 2,2'-bis(4-substituted phenol)sul

Details Process for the preparation of 2,2'-bis(4-substituted phenol)sul Process for the preparation of 2,2'-bis(4-substituted phenol)sul

1981-07-30

1983-04-19

Daus, Donald G.

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

Organic compounds

Sulfur containing

C07C14936

Patent

active

043806716

ABSTRACT:
Disclosed is a process for the preparation of 2,2'-bis(4-substituted phenol)sulfides which comprises reacting a 4-substituted phenol with sulfur dichloride in a hydrocarbon solvent at a temperature of from -10.degree. to 40.degree. C. in the presence of a Lewis acid catalyst. For example, 2,2'-bis(4-cumylphenol)-sulfide, i.e. 2,2'-bis(4-.alpha.,.alpha.-dimethyl benzyl-phenol)monosulfide, which is a novel compound can be prepared by reacting 4-cumylphenol with sulfur dichloride in benzene at a temperature of from 0.degree.to 10.degree. C. in the presence of zinc chloride.

REFERENCES:
patent: 2849494 (1958-08-01), Cooper et al.
patent: 2971940 (1961-02-01), Fuchsman et al.
patent: 2971968 (1961-02-01), Nicholson et al.
patent: 3099639 (1963-07-01), Cobb et al.
patent: 3678115 (1972-07-01), Fujisawa et al.
G. Katsui et al., Vitamin 7, 145 (1954).

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