C4 Cumulene and the Corresponding Air-Stable Radical Cation and Dication (pages 4168–4172)
Yan Li, Dr. Kartik Chandra Mondal, Dr. Prinson P. Samuel, Prof. Dr. Hongping Zhu, Claudia M. Orben, Dr. Saravanan Panneerselvam, Priv.-Doz. Dr. Birger Dittrich, Dr. Brigitte Schwederski, Prof. Dr. Wolfgang Kaim, Totan Mondal, Dr. Debasis Koley and Prof. Dr. Herbert W. Roesky
Article first published online: 12 MAR 2014 | DOI: 10.1002/anie.201310975
Carbons get excited! Commercially available CBr4 is utilized as a source of dicarbon for the preparation of the C4 cumulene that contains a cyclic alkyl(amino) carbene (cAAC). Lithium or potassium is used as a reducing agent. The corresponding air-stable radical cation and dication of the C4 cumulene were also synthesized and their interconversion was studied by cyclic voltammetry.