Syntheses and Structures of Terminal Arylalumylene Complexes |
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| Authors: | Koichi Nagata Dr Tomohiro Agou Prof?Dr Norihiro Tokitoh |
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| Institution: | Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611‐0011 (Japan) |
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| Abstract: | Terminal arylalumylene complexes of platinum Ar‐Al‐Pt(PCy3)2] (Ar=2,6‐CH(SiMe3)2]2C6H3 (Bbp) or 2,6‐CH(SiMe3)2]2‐4‐(tBu)C6H2 (Tbb)) have been synthesized either by the reaction of a dialumene–benzene adduct with Pt(PCy3)2], or by the reduction of 1,2‐dibromodialumanes Ar(Br)Al‐Al(Br)Ar in the presence of Pt(PCy3)2]. X‐Ray crystallographic analysis reveals that the Al? Pt bond lengths of these arylalumylene complexes are shorter than the previously reported shortest Al? Pt distance. DFT calculations suggest that the Al? Pt bonds in the arylalumylene complexes have a significantly high electrostatic character. |
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| Keywords: | aluminum density functional calculations metal– metal interactions platinum structure elucidation |
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