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Bibliographic Information

Alkylation of Phenols and Naphthols on Silica-Immobilized Triflate Derivatives.     Gagea, Bogdan C.; Parvulescu, Andrei N.; Parvulescu, Vasile I.; Auroux, Aline; Grange, Paul; Poncelet, Georges.    Department of Chemical Technology and Catalysis,  University of Bucharest,  Bucharest,  Rom.    Catalysis Letters  (2003),  91(1-2),  141-144.  Publisher: Kluwer Academic/Plenum Publishers,  CODEN: CALEER  ISSN: 1011-372X.  Journal  written in English.    CAN 140:201418    AN 2003:941440    CAPLUS  

Abstract

Immobilized triflate derivs. (La(OTf)3, AgOTf, tert-butyldimethylsilyltrifluoro-methanesulfonate), and triflic acid were found to be effective in the alkylation of phenol and naphthols with tert-butanol.  The acidic strength and type of acidity (Lewis or Bronsted) are key factors controlling the conversion and product distribution.
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2Â¥2007-06-20 19:41:10
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