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Tetraalkylammonium and 1,3‐Dialkylimidazolium Salts with Fluorinated Anions as Recoverable Phase‐Transfer Catalysts in Solid Base‐Promoted Cross‐Aldol Condensations
Author(s) -
Kryshtal Galina V.,
Zhdankina Galina M.,
Zlotin Sergei G.
Publication year - 2005
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.200400880
Subject(s) - chemistry , aldol reaction , catalysis , base (topology) , aldol condensation , phase (matter) , organic chemistry , medicinal chemistry , mathematics , mathematical analysis
Tetraalkylammonium and 1,3‐dialkylimidazolium tetrafluoroborates and hexafluorophosphates were employed for the first time as recoverable phase‐transfer catalysts in multiphase reactions of CH‐acids, in particular in solid base‐promoted cross‐aldol condensations. The catalysts retained their catalytic activity over several reaction cycles. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)