Author:
Netscher Thomas,Bonrath Werner,Haas Alois,Hoppmann Eike,Pauling Horst
Abstract
The key-step in the industrial synthesis of (all-rac)-?-tocopherol (synthetic vitamin E) is the condensation reaction of trimethylhydroquinone with the C20 building block isophytol. For this Friedel-Crafts-type reaction, perfluorinated NH- and CH-acidic compounds
(perfluoroalkyl(aryl)sulfonyl imides and methides) have been applied as excellent catalysts, preferably in biphasic solvent systems.
Subject
General Medicine,General Chemistry
Cited by
13 articles.
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