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Ferrocenylalanes:  Solid-State and Solution Structures of Some New Aluminum-Bridged ansa-Ferrocenes

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journal contribution
posted on 11.07.2005, 00:00 by Holger Braunschweig, Christian Burschka, Guy K. B. Clentsmith, Thomas Kupfer, Krzysztof Radacki
Addition of dilithiated ferrocene to AlEt2Cl and Al(κ2-C,NNMe2CH2C6H4)Cl2 yields the trimeric ferrocenyl derivative 1 and the dimeric [1,1‘]-ferrocenophane 2, respectively. Solution spectroscopy is consistent with the solid-state structures, which reveal unusual and unprecedented bonding around the aluminum centers.