Synthesis of cyclic carbonates from diols and CO2 catalyzed by carbenes

The synthesis of cyclic carbonates from epoxides and CO2 is a well-established reaction, whereas the synthesis of cyclic carbonates from diols and CO2 is considerably more challenging, and few efficient catalysts are available. Here, we describe heterocyclic carbene catalysts, including one derived from a cheap and efficient thiazolium salt, for this latter reaction. The reaction proceeds at atmospheric pressure in the presence of an alkyl halide and Cs2CO3. Reaction mechanisms for the transformations involved are also proposed.


Published in:
Chemical Communications, 52, 71, 10787-10790
Year:
2016
Publisher:
Cambridge, Royal Society of Chemistry
ISSN:
1359-7345
Laboratories:




 Record created 2016-10-18, last modified 2018-03-17


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