Alkylation of Phenols and Naphthols on Silica-Immobilized Triflate Derivatives

Author： Gagea Bogdan C.   Parvulescu Andrei N.   Parvulescu Vasile I.   Auroux Aline   Grange Paul   Poncelet Georges  

Publisher： Springer Publishing Company

ISSN： 1011-372X

Source： Catalysis Letters, Vol.91, Iss.1-2, 2003-11, pp. : 141-144

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Abstract

Immobilized triflate derivatives (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 Brønsted) are key factors controlling the conversion and product distribution.

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