Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
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.
Grafen Paul
Kroesche Henning
Paust Joachim
Pfohl Sigberg
Schulz Bernhard
BASF - Aktiengesellschaft
Chan Nicky
LandOfFree
Manufacture of tocopherol does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Manufacture of tocopherol, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Manufacture of tocopherol will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2039538