Preparation of dl-.alpha.-tocopherol

Details Preparation of dl-.alpha.-tocopherol Preparation of dl-.alpha.-tocopherol

1979-01-12

1981-02-24

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D31172

Patent

active

042527260

ABSTRACT:
dl-.alpha.-Tocopherol is prepared by condensing trimethylhydroquinone with phytyl halide in a chlorinated lower aliphatic hydrocarbon solvent, in the presence of metallic tin and a Friedel-Crafts catalyst.

REFERENCES:
patent: 3455959 (1969-07-01), Mayer et al.
patent: 3651113 (1972-03-01), Metlesics et al.
patent: 3789086 (1974-01-01), Frick et al.
Eisai, Derwent No. 65663Y, 1-28-76.

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