![Reversible carboxylation of N-heterocyclic carbenesElectronic supplementary information (ESI) available: crystal structure data and ORTEP for 1,3-bis(2,6-diisopropylphenyl)imidazolylium-2-carboxylate (3). See http://www.rsc.org/suppdata/cc/b3/b311350g/]()
Reversible carboxylation of N-heterocyclic carbenesElectronic supplementary information (ESI) available: crystal structure data and ORTEP for 1,3-bis(2,6-diisopropylphenyl)imidazolylium-2-carboxylate (3). See http://www.rsc.org/suppdata/cc/b3/b311350g/Duong, Hung A.; Tekavec, Thomas N.; Arif, Atta M.; Louie, Janis · Chemical Communications · 2004