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Nickel(II), Palladium(II), and Platinum(II) η3-Allyl Complexes Bearing a Bidentate Titanium(IV) Phosphinoamide Ligand: A Ti←M2 Dative Bond Enhances the Electrophilicity of the π-Allyl Moiety

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journal contribution
posted on 13.04.2009, 00:00 authored by Hironori Tsutsumi, Yusuke Sunada, Yoshihito Shiota, Kazunari Yoshizawa, Hideo Nagashima
Three Ti−M2 (M2 = Ni, Pd, Pt) heterobimetallic complexes, [(η3-methallyl)M2(Ph2PNtBu)2TiCl2](OTf), were synthesized in which a TiIV←M2 interaction was suggested by crystallography and DFT calculations. The TiIV←M2 interaction enhanced electrophilicity of the η3-methallyl ligand of M2, leading to high reactivity of the η3-methallyl moiety with Et2NH compared with that of the dppp analogue.