Abstract
Selective synthesis of carbamates from amines and dimethyl carbonate were studied in the presence of various ionic liquids as catalysts. The -SO3H-functionalized ionic liquid was found to be the most active catalyst among the applied ionic liquids, and nearly 100% conversion and 95% selectivity were achieved when using 1,6-hexanediamine as reactant. The acid functional ionic liquid catalyst system is also readily separable and reusable after reaction.
Original language | English |
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Pages (from-to) | 89-92 |
Number of pages | 4 |
Journal | Journal of Molecular Catalysis A: Chemical |
Volume | 271 |
Issue number | 1-2 |
DOIs | |
State | Published - 18 Jun 2007 |
Externally published | Yes |
Keywords
- Amine
- Carbamates
- Green chemistry
- Ionic liquid
- Non-phosgene