Author:
Plešek Jaromír,Heřmánek Stanislav,Franken Andreas,Císařová Ivana,Nachtigal Christiane
Abstract
Syntheses and structures of [8,8'-μ-(OSO2O)(1,2-C2B9H10)2-3-Co]-and [(8-Ph-1,2-C2B9H10)-3-Co-(1',2'-C2B9H11]- ions and of [(8-dioxane-1,2-C2B9H10)-3-Co-(1',2'-C2B9H11)] zwitterion are described. All compounds result on dimethyl sulfate induced nucleophilic B-substitution of the parent cobalta-carborane sandwich ion under acid catalysis. A general mechanism is proposed. Constitutions of all compounds are inferred from the mass and multinuclear NMR spectroscopy and all structures are established by X-ray diffraction. Selected NMR and X-ray data are presented.
Publisher
Institute of Organic Chemistry & Biochemistry
Cited by
101 articles.
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