Conversion of non-alpha-tocopherols to alpha-tocopherols

Details Conversion of non-alpha-tocopherols to alpha-tocopherols Conversion of non-alpha-tocopherols to alpha-tocopherols

1979-06-04

1980-12-16

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D31172

Patent

active

042396913

ABSTRACT:
A process for producing alpha-tocopherol from non-alpha-tocopherols comprising reacting the tocopherol with formaldehyde, carrying out the reaction at a temperature of at least about 175.degree. C. in the presence of a catalytic amount of an acidic ion exchange resin and subjecting the reaction mixture to catalytic hydrogenation.

REFERENCES:
patent: 2486540 (1949-11-01), Hickman et al.
patent: 2592628 (1952-04-01), Weiser
patent: 3122565 (1964-02-01), Kijima et al.
patent: 3402182 (1968-09-01), Kijima et al.
patent: 3631068 (1971-12-01), Nelan
patent: 3819657 (1974-06-01), Baldwin et al.

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