%0 Journal Article %1 Kantlehner.1991 %A Kantlehner, Willi %A Lehmann, Hansjorg %A Stahl, Thomas %A Kaim, Wolfgang. %D 1991 %J Chemiker-Zeitung %K ENDOR;ENDOR butenamidiniumyl cation cyclic diaminodicyanobutenamidiniumyl diaminodicycano diaminodicycanobutenamidiniumyl hindered radical;rotation radical;voltammetry voltammetry %N 6 %P 183--186 %T Ortho amides. XLVII. 2,3-Dicyano-4,4-bis(dimethylamino)-N,N,N',N'-tetramethyl-3-butenamidinium-2-yl. An extremely stable, isolable radical cation with electrochemical and ENDOR detectable limits of mobility %V 115 %X Treatment of (Me2N)3CC$\equiv$CC(NMe2)3 with Me3SiCN gave (Me2N)2C:C(CN)C(CN):C(NMe2)2, which reacted with Br2 and I2 to give radical-cation salts I (X = Br, I); anion exchange with NaBPh4 gave I (X = BPh4). The ENDOR spectrum and cyclic voltammogram of I (X = BPh4) were analyzed, and the hindered rotation around the C(1)-C(2), C(2)-C(3), and C(3)-C(4) bonds are discussed. on SciFinder(R)

@article{Kantlehner.1991, abstract = {Treatment of (Me2N)3CC$\equiv$CC(NMe2)3 with Me3SiCN gave (Me2N)2C:C(CN)C(CN):C(NMe2)2, which reacted with Br2 and I2 to give radical-cation salts I (X = Br, I); anion exchange with NaBPh4 gave I (X = BPh4). The ENDOR spectrum and cyclic voltammogram of I (X = BPh4) were analyzed, and the hindered rotation around the C(1)-C(2), C(2)-C(3), and C(3)-C(4) bonds are discussed. [on SciFinder(R)]}, added-at = {2022-06-15T11:26:56.000+0200}, author = {Kantlehner, Willi and Lehmann, Hansjorg and Stahl, Thomas and Kaim, Wolfgang.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/29f697d27667f1c22dd611860710baea2/huebleriac}, interhash = {23d198af0887fed894b32070bd145d25}, intrahash = {9f697d27667f1c22dd611860710baea2}, issn = {0009-2894}, journal = {Chemiker-Zeitung}, keywords = {ENDOR;ENDOR butenamidiniumyl cation cyclic diaminodicyanobutenamidiniumyl diaminodicycano diaminodicycanobutenamidiniumyl hindered radical;rotation radical;voltammetry voltammetry}, number = 6, pages = {183--186}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {Ortho amides. XLVII. 2,3-Dicyano-4,4-bis(dimethylamino)-N,N,N',N'-tetramethyl-3-butenamidinium-2-yl. An extremely stable, isolable radical cation with electrochemical and ENDOR detectable limits of mobility}, volume = 115, year = 1991 }