Manufacture of tocopherol

Details Manufacture of tocopherol Manufacture of tocopherol

1978-04-14

1980-03-04

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D31172

Patent

active

041916921

ABSTRACT:
In the manufacture of tocopherol (vitamin E) by reaction of isophytol with trimethylhydroquinone in the presence of zinc chloride and acid in a hydrocarbon solvent one of the starting compounds, isophytol, is pretreated with small amounts of ammonia or an amine.
Tocopherol is obtained in higher yield and purity.

REFERENCES:
patent: 3444213 (1969-05-01), Nelan
patent: 3708505 (1973-01-01), Greenbaum et al.

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