Dzik, W.I.; Zhang, X.P.; de Bruin, B. (2011). "The Redox Non-Innocence of Carbene Ligands: Carbene Radicals in (Catalytic) C-C Bond Formation". Inorganic Chemistry. 50 (20): 9896–9903. doi:10.1021/ic200043a. PMID21520926.
Ikeno, T.; Iwakura, I.; Yamada, T. (2002). "Cobalt−Carbene Complex with Single-Bond Character: Intermediate for the Cobalt Complex-Catalyzed Cyclopropanation". Journal of the American Chemical Society. 124 (51): 15152–15153. Bibcode:2002JAChS.12415152I. doi:10.1021/ja027713x. PMID12487572.
Huang, L.; Chen, Y.; Gao, G.-Y.; Zhang, X.P. (2003). "Diastereoselective and enantioselective cyclopropanation of alkenes catalyzed by cobalt porphyrins". Journal of Organic Chemistry. 68 (21): 8179–8184. doi:10.1021/jo035088o. PMID14535801.
Ikeno, T.; Iwakura, I.; Yamada, T. (2002). "Cobalt−Carbene Complex with Single-Bond Character: Intermediate for the Cobalt Complex-Catalyzed Cyclopropanation". Journal of the American Chemical Society. 124 (51): 15152–15153. Bibcode:2002JAChS.12415152I. doi:10.1021/ja027713x. PMID12487572.
Dzik, W.I.; Zhang, X.P.; de Bruin, B. (2011). "The Redox Non-Innocence of Carbene Ligands: Carbene Radicals in (Catalytic) C-C Bond Formation". Inorganic Chemistry. 50 (20): 9896–9903. doi:10.1021/ic200043a. PMID21520926.
Ikeno, T.; Iwakura, I.; Yamada, T. (2002). "Cobalt−Carbene Complex with Single-Bond Character: Intermediate for the Cobalt Complex-Catalyzed Cyclopropanation". Journal of the American Chemical Society. 124 (51): 15152–15153. Bibcode:2002JAChS.12415152I. doi:10.1021/ja027713x. PMID12487572.
Huang, L.; Chen, Y.; Gao, G.-Y.; Zhang, X.P. (2003). "Diastereoselective and enantioselective cyclopropanation of alkenes catalyzed by cobalt porphyrins". Journal of Organic Chemistry. 68 (21): 8179–8184. doi:10.1021/jo035088o. PMID14535801.