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Trimethylsilyl Pentafluorophenylbis(trifluoromethanesulfonyl)methide as a Super Lewis Acid Catalyst for the Condensation of Trimethylhydroquinone with Isophytol
Author(s) -
Hasegawa Aiko,
Ishihara Kazuaki,
Yamamoto Hisashi
Publication year - 2003
Publication title -
angewandte chemie
Language(s) - German
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.200352382
Subject(s) - trimethylsilyl , catalysis , lewis acids and bases , condensation , chemistry , polymer chemistry , organic chemistry , physics , thermodynamics
Säure und Vitamin E : Trimethylsilyl‐Super‐Lewis‐Säuren wie [C 6 F 5 C(Tf) 2 ] −  Me 3 Si + sind sehr aktive und effektive Katalysatoren für die regioselektive Kondensation von Trimethylhydrochinon mit Isophthyol zur Herstellung von (±)‐α‐Tocopherol (Vitamin E; siehe Schema, Tf=CF 3 SO 2 ).

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