Structural and Catalytic Properties of Bis(guanidine)copper(I) Halides

Structural and Catalytic Properties of Bis(guanidine)copper(I) Halides

The neutral, bicyclic guanidine 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine (hppH) coordinates to Cu(I) halides via the imine nitrogen, and the complexes are stabilized by intramolecular NH···X interactions (X = Cl, Br) or are partially dissociated (X = I) in the solid state; in all cases, fl...

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Veröffentlicht in:Inorganic chemistry 2003-05, Vol.42 (10), p.3154-3156
Hauptverfasser: Oakley, Sarah H, Coles, Martyn P, Hitchcock, Peter B
Format: Artikel
Sprache:eng
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Zusammenfassung:The neutral, bicyclic guanidine 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine (hppH) coordinates to Cu(I) halides via the imine nitrogen, and the complexes are stabilized by intramolecular NH···X interactions (X = Cl, Br) or are partially dissociated (X = I) in the solid state; in all cases, fluxional behavior is observed in solution. Selected complexes have been tested as catalysts for the polymerization of methyl methacrylate.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic034213b