13C NMR Spectroscopy of "Arduengo-type" Carbenes and Their Derivatives
A review. Acyclic and N-heterocyclic carbenes were studied by 13C NMR spectroscopy and DFT calcn. of chem. shift.
Tapu D, Dixon DA, Roe C. 2009. 13C NMR spectroscopy of "Arduengo-type" carbenes and their derivatives. Chem Rev 109(8):3385-407.