Method of preparing phenolic antioxidants by condensing active m

Details Method of preparing phenolic antioxidants by condensing active m Method of preparing phenolic antioxidants by condensing active m

1975-07-21

1976-11-02

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260290P, 260290HL, 260465F, 260592, 260622R, C07C 6976, C07C 4982, C07C 7922, C07C12150

Patent

active

039897389

ABSTRACT:
3,5-Di-tert alkyl-4-hydroxybenzylpyridinium salts are reacted under basic conditions with compounds containing active methylene groups to form phenolic antioxidants. For example, 3,5-di-tert.butyl-4-hydroxybenzylpyridinium chloride is reacted with 2-nitropropane to produce 1,1-dimethyl-2-(3,5-di tert.butyl-4-hydroxyphenyl)-1-nitroethane.

REFERENCES:
patent: 3678095 (1972-07-01), Dexter et al.

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