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- W49904423 abstract "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 to that already observed for the silylbridged homologues. The X-ray analysis of 1 proves the chiral structure of the molecule, which is the consequence of the distortion of the bcpm-ligand. The Cr-Cr distance is 3.211(2) angstrom." @default.
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- W49904423 date "1992-01-01" @default.
- W49904423 modified "2023-09-24" @default.
- W49904423 title "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))" @default.
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