%0 Journal Article %1 Berger.2001b %A Berger, Sascha %A Baumann, Frank %A Scheiring, Thomas %A Kaim, Wolfgang. %D 2001 %J Zeitschrift fuer Anorganische und Allgemeine Chemie %K azabutadiene complex complex;diazabutadiene complex;redn complex;redox complex;rhodium crystal diazabutadiene diisopropylphenyl iridium mol osmium potential prepn redox redox;crystal redox;mol structure structure;iridium %N 4 %P 620--630 %T Organometallic complex cations [(hn-CnR'n)M(RN:CHCH:NR)Cl]+ of 1,4-diazabutadienes (M = Os and n = 6 or M = Rh, Ir and n = 5, R = 2,6-dialkylphenyl). Structures and reduction to neutral compounds [(hn-CnR'n)M(RNCH:CHNR)] %V 627 %X The title compds. with d6-configured Os(II), Rh(III), or Ir(III) were isolated and characterized by UV/visible and 1H NMR. Crystal structure analyses are presented for 1,4-bis(2,6-diisopropylphenyl)-1,4-diaza-1,3-butadiene (Dipp-DAB) and for [(h5-C5Me5)Ir(Dipp-DAB)Cl][PF6] and [(h6-C6Me6)Os(Xyl-DAB)Cl][PF6] [Xyl-DAB = 1,4-bis(2,6-dimethylphenyl)-1,4-diaza-1,3-butadiene]. The electrochem. redn. of the compds. proceeds via an ECE mechanism to neutral 16 valence electron species [(CnR'n)M(RNCH:CHNR)], some of which could be isolated despite coordinative unsatn. due to the stabilization through axial shielding by the 2,6-dialkylphenyl substituents. [on SciFinder(R)]

@article{Berger.2001b, abstract = {The title compds. with d6-configured Os(II), Rh(III), or Ir(III) were isolated and characterized by UV/visible and 1H NMR. Crystal structure analyses are presented for 1,4-bis(2,6-diisopropylphenyl)-1,4-diaza-1,3-butadiene (Dipp-DAB) and for [(\textgreek{h}5-C5Me5)Ir(Dipp-DAB)Cl][PF6] and [(\textgreek{h}6-C6Me6)Os(Xyl-DAB)Cl][PF6] [Xyl-DAB = 1,4-bis(2,6-dimethylphenyl)-1,4-diaza-1,3-butadiene]. The electrochem. redn. of the compds. proceeds via an ECE mechanism to neutral 16 valence electron species [(CnR'n)M(RNCH:CHNR)], some of which could be isolated despite coordinative unsatn. due to the stabilization through axial shielding by the 2,6-dialkylphenyl substituents. [on SciFinder(R)]}, added-at = {2022-06-15T11:26:56.000+0200}, author = {Berger, Sascha and Baumann, Frank and Scheiring, Thomas and Kaim, Wolfgang.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/2bab885918387cfac9adc6df03f730827/huebleriac}, interhash = {6e0e7b5f90d0b98cb801c9f75775c9bf}, intrahash = {bab885918387cfac9adc6df03f730827}, issn = {0044-2313}, journal = {Zeitschrift fuer Anorganische und Allgemeine Chemie}, keywords = {azabutadiene complex complex;diazabutadiene complex;redn complex;redox complex;rhodium crystal diazabutadiene diisopropylphenyl iridium mol osmium potential prepn redox redox;crystal redox;mol structure structure;iridium}, number = 4, pages = {620--630}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {Organometallic complex cations [(\textgreek{h}n-CnR'n)M(RN:CHCH:NR)Cl]+ of 1,4-diazabutadienes (M = Os and n = 6 or M = Rh, Ir and n = 5, R = 2,6-dialkylphenyl). Structures and reduction to neutral compounds [(\textgreek{h}n-CnR'n)M(RNCH:CHNR)]}, volume = 627, year = 2001 }