C 4  Cumulene and the Corresponding Air‐Stable Radical Cation and Dication | Zendy

Li Yan | Zendy; Mondal Kartik Chandra | Zendy; Samuel Prinson P. | Zendy; Zhu Hongping | Zendy; Orben Claudia M. | Zendy; Panneerselvam Saravanan | Zendy; Dittrich Birger | Zendy; Schwederski Brigitte | Zendy; Kaim Wolfgang | Zendy; Mondal Totan | Zendy; Koley Debasis | Zendy; Roesky Herbert W. | Zendy

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C 4 Cumulene and the Corresponding Air‐Stable Radical Cation and Dication

Author(s) -

Li Yan,

Mondal Kartik Chandra,

Samuel Prinson P.,

Zhu Hongping,

Orben Claudia M.,

Panneerselvam Saravanan,

Dittrich Birger,

Schwederski Brigitte,

Kaim Wolfgang,

Mondal Totan,

Koley Debasis,

Roesky Herbert W.

Publication year - 2014

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201310975

Subject(s) - dication , cumulene , delocalized electron , unpaired electron , chemistry , cyclic voltammetry , electron paramagnetic resonance , radical ion , carbene , photochemistry , redox , ion , molecule , organic chemistry , electrochemistry , electrode , physics , nuclear magnetic resonance , catalysis

A neutral C 4 cumulene 1 that includes a cyclic alkyl(amino) carbene (cAAC), its air‐stable radical cation 1 .+ , and dication 1 2+ have been synthesized. The redox property of 1 .+ was studied by cyclic voltammetry. EPR and theoretical calculations show that the unpaired electron in 1 .+ is mainly delocalized over the central C 4 backbone. The commercially available CBr 4 is utilized as a source of dicarbon in the cumulene synthesis.

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