Process for the preparation of .alpha.-tocopherol

Details Process for the preparation of .alpha.-tocopherol Process for the preparation of .alpha.-tocopherol

1997-04-03

1999-03-23

Richter, Johann

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549409, 549408, 585600, C07D31174, C07D31162, C07D31164, C07C 258

Patent

active

058861971

ABSTRACT:
A process is provided for the preparation of .alpha.-tocopherol. According to the process, a condensation reaction between trimethylhydroquinone and a specific phytol derivative or isophytol is conducted in the presence of any one of the following solvents:

REFERENCES:
patent: 4168271 (1979-09-01), Cardenas et al.
patent: 5110955 (1992-05-01), Knierzinger et al.

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