Journal
CHEMSUSCHEM
Volume 8, Issue 13, Pages 2204-2211Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201500343
Keywords
amines; amino alcohols; carbonylation; ionic liquids; palladium
Funding
- MIUR [cod. PON01_00878]
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The direct syntheses of ureas, oxamides, 2-oxazolidinones, and benzoxazolones by the oxidative carbonylation of amines, -amino alcohols, and 2-aminophenols allows us to obtain high value added molecules, which have a large number of important applications in several fields, from very simple building blocks. We have found that it is possible to perform these transformations using the PdI2/KI catalytic system in an ionic liquid, such as 1-butyl-3-methylimidazolium tetrafluoroborate, as the solvent, the solvent/catalyst system can be recycled several times with only a slight loss of activity, and the product can be recovered easily by crystallization.
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