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Volumn 684, Issue 1-2, 2003, Pages 44-49

Synthesis, X-ray structure and characterization of a novel [fc(IMH) 2H]+[Co(hfac)3]- salt with hydrogen bonded ferrocenyl bis(imino hydroxylamino) building blocks

Author keywords

Complex salt; Hexafluoroacetylacetonate; Metallocene; Nitronyl nitroxides; Reduction

Indexed keywords

CATION; COBALT DERIVATIVE; FERROCENE DERIVATIVE; HYDROGEN; ION; NITROXIDE DERIVATIVE; RADICAL;

EID: 0142057108     PISSN: 0022328X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0022-328X(03)00502-3     Document Type: Article
Times cited : (5)

References (31)
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    • The capability of ferrocene to act as a ferromagnetic coupling unit was demonstrated with a polychlorinated triphenylmethyl radical connected by a 1,1′-ferrocenylendivinylene bridge. See
    • The capability of ferrocene to act as a ferromagnetic coupling unit was demonstrated with a polychlorinated triphenylmethyl radical connected by a 1,1′-ferrocenylendivinylene bridge. See, Elsner, O. Ruiz-Molina, D. Vidal-Gancedo, J. Rovira, C. Veciana, J. Chem. Commun. (1999) 579.
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    • Until now, very little is known about the mechanistic details of the reduction reaction of this type of radicals. Thus, deoxygenating of nitronyl nitroxides can take place by reaction with triphenylphosphine, gaseous NO or nitrides and acids may induce a disproportionate-deoxygenating process of the radical. Since common chlorinated solvents always contain traces of acidic impurities, this may be the reason why reduction occurs on long standing of crystallization samples. Also higher reaction temperatures or an excess of the metal salt seem to favor the reduction, although no reaction products of the metals were identified: long standing of crystallization samples
    • Until now, very little is known about the mechanistic details of the reduction reaction of this type of radicals. Thus, deoxygenating of nitronyl nitroxides can take place by reaction with triphenylphosphine, gaseous NO or nitrides and acids may induce a disproportionate-deoxygenating process of the radical. Since common chlorinated solvents always contain traces of acidic impurities, this may be the reason why reduction occurs on long standing of crystallization samples. Also higher reaction temperatures or an excess of the metal salt seem to favor the reduction, although no reaction products of the metals were identified: (a) Caneschi, A. Gatteschi, D. Laugier, J. Rey, P. Zanchinila, C. Inorg. Chem. 28 (1989) 1969.
    • (1989) Inorg. Chem. , vol.28 , pp. 1969
    • Caneschi, A.1    Gatteschi, D.2    Laugier, J.3    Rey, P.4    Zanchinila, C.5
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    • After an extensive crystallographic database search, we have only found a few crystal structures of transition metal ions with three hexafluoroacetylacetonate ligands. For an example see
    • After an extensive crystallographic database search, we have only found a few crystal structures of transition metal ions with three hexafluoroacetylacetonate ligands. For an example see: Williamson, F.A. Dickmann, M.A. DeLanson Crist, R. Inorg. Chem. 37 (1998) 1446.
    • (1998) Inorg. Chem. , vol.37 , pp. 1446
    • Williamson, F.A.1    Dickmann, M.A.2    DeLanson Crist, R.3
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.