Title of article
Palladium-catalysed methylation of aryl halides in ionic liquids with stabilized AlMe3 Original Research Article
Author/Authors
Valeria Conte، نويسنده , , Giulia Fiorani، نويسنده , , Barbara Floris، نويسنده , , Pierluca Galloni، نويسنده , , Simon Woodward، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2010
Pages
8
From page
161
To page
168
Abstract
A new protocol for the methylation of aryl halides using the AlMe3 analogue DABAL-Me3 in a VOC/IL biphasic system is described. Very good isolated yields and chemoselectivities (methylation vs homocoupling), were observed in alkylmethylimidazolium and DABCO-based ILs, in presence of a bulky substituted phosphine (XPhos) and the structurally related sulfonated phosphine (XPhosSO3H). Recycling experiments of the IL-catalyst systems were satisfactory only in case of the butyldimethylimidazolium IL due to catalyst loss to the VOC phase.
Keywords
methylation , Pd-catalysis , cross-coupling reactions , Trialkylaluminum reagents , DABAL-Me3 , Ionic liquids
Journal title
Applied Catalysis A:General
Serial Year
2010
Journal title
Applied Catalysis A:General
Record number
1154476
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