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Synthese und strukturelle Charakterisierung von bcpm-Metallcarbonyl-Dimeren (bcpm = Biscyclopentadienylmethan) mit Metallen der 6. Nebengruppe ( = SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF BCPM-METAL-CARBONYL DIMERS WITH GROUP-VIB METALS (BCPM + BISCYCLOPENTADIENYLMETHANE))

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Brunner, Henri ; Grassl, R. ; Wachter, Joachim ; Nuber, B. ; Ziegler, M. L.
Date of publication of this fulltext: 04 Jan 2012 15:27


The reaction of methylendicyclopentadiene (bcpmH2) with (CH3CN)3M(CO)3 (M = Cr, Mo, W) gives the complexes bcpmM2(CO)6 (1-3) in good yields (47-78%). The synthesis of bCPmMO2(CO)6Cl2 (4) starts from bcpmLi2 and Mo(CO)6. In a one-pot procedure, acidification with CH3CO2H and reaction with CCl4 give 4 in 43% yield. Low temperature H-1 NMR investigations of 1 and 2 reveal a dynamic process analogous ...


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