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  • 1
    ISSN: 0044-2313
    Keywords: Ruthenium ; boranes ; organoruthenaboranes ; preparation ; mass, n.m.r. spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Organoruthenaboran-Chemie. IX. Die Reaktion von [{(η6-C6Me6)RuCl2}2] und [{(η6-MeC6H4-4-iPr)RuCl2}2] mit dem [nido-B9H12]--AnionDie Reaktion zwischen [NnBu4][nido-B9H12] und [{(η6-C6Me6)RuCl2}2] in CH2Cl2-Lösung ergibt [5-Cl-6-(η6-C6Me6)-nido-6-RuB9H12] (12%), [6-(η6-C6Me6)-nido-6-RuB9H13] (1%) und [1-(η6-C6Me6)-isocloso-1-RuB9H9] (2%). Die entsprechende Reaktion mit dem p-Cymol-Analogon [{(η6-MeC6H4-iPr)RuCl2}2] ergibt [5-Cl-6-(η6-MeC6H4-4-iPr)-nido-6-RuB9H12] (15%), [6-(η6-MeC6H4-4-iPr)-nido-6-RuB9H13] (1%) und [1-(η6-MeC6H4-4-iPr)-isocloso-1-RuB9H9] (3%). Die Produkte sind gelbe, luftstabile Festkörper; sie wurden chromatographisch getrennt und massenspektroskopisch und NMR-spektroskopisch charakterisiert.
    Notes: Reaction between [NnBu4][nido-B9H12] and [{(η6-C6Me6)RuCl2}2] in CH2Cl2 solution yields [5-Cl-6-(η6-C6Me6)-nido-6-RuB9H12] (12%), [6-(η6-C6Me6)-nido-6-RuB9H13] (1%), and [1-(η6-C6Me6)-isocloso-1-RuB9H9] (2%). The corresponding reaction with the p-cymene analogue [{(η6-MeC6H4-4-iPr)RuCl2}2] yields [5-Cl-6-(η6-MeC6H4-4-iPr)-nido-6-RuB9H12] (15%), [6-(η6-MeC6H4-4-iPr)-nido-6-RuB9H13] (1%), and [1-(η6-MeC6H4-4-iPr)-isocloso-1-RuB9H9] (3%). The products were all yellow, air-stable solids; they were separated by chromatography and characterized by mass spectrometry and n.m.r. spectroscopy.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0749-1581
    Keywords: closo-Metalladicarbaborane ; 11B assignments ; Proton-boron shift correlation ; Ruthenium ; Cluster ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The cluster 11B chemical shifts in members of the important class of closo-3,1,2-metalladicarbaboranes were previously unassigned, and their cluster 1H chemical shifts previously unmeasured. The use of [11B—11B]-COSY and 1H-{11B} NMR spectroscopy to measure and assign the cluster 11B and 1H chemical shifts of (previously unreported) [3-(η6-C6Me6)-closo-3,1,2-RuC2B9H11] as a model compound is reported. The 11B shielding patterns of this species and the nonmetalla simple carbaborane analogue [1,2-C2B10H12] are compared and briefly discussed.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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