The anionic and the cationic partners of ionic liquids may act cooperatively and independently as nucleophilic and electrophilic catalysts. This ambiphilic propensity was demonstrated by kinetically discriminating the contributions of the anion (nucleophilic catalyst) and of the cation (electrophilic catalyst) to the solvent-free Baylis–Hillman dimerization of cyclohexenone catalysed by ionic liquids.
Cooperative nucleophilic-electrophilic organocatalysis by ionic liquids
LUCCHINI, Vittorio;NOE', Marco;SELVA, Maurizio;FABRIS, Massimo;PEROSA, Alvise
2012-01-01
Abstract
The anionic and the cationic partners of ionic liquids may act cooperatively and independently as nucleophilic and electrophilic catalysts. This ambiphilic propensity was demonstrated by kinetically discriminating the contributions of the anion (nucleophilic catalyst) and of the cation (electrophilic catalyst) to the solvent-free Baylis–Hillman dimerization of cyclohexenone catalysed by ionic liquids.
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