Reactions of coordinated molecules. 31. Rhena .beta.-keto imine derivatives of several biologically important molecules containing 2-ethylamino groups

Lukehart, Charles M.; Raja, M.

doi:10.1021/ic00133a086

Cited by 11 publications

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Anionic Tetranuclear Platina-β-diketonates of Platina-β-diketones – Organometallic Analogues of Platinum Blue Complexes

Gerisch¹,

Bruhn²,

Porzel³

et al. 1998

Eur. J. Inorg. Chem.

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The platina‐β‐diketone [Pt2{(COMe)2H}2(μ‐Cl)2] (1) reacts with aliphatic amines [nBuNH2, (iPr)2NH, NEt3], N‐methylaniline, and N,N‐dimethylaniline, as well as with strong bases, such as a proton sponge or [NMe4]OH, in an equimolar ratio to give the anionic platina‐β‐diketonato complexes of platina‐β‐diketones [BH]2[{Cl2Pt(μ‐COMe)2Pt[(COMe)2H]}2] (3) {B = nBuNH2 (3a), (iPr)2NH (3b), NEt3 (3c), PhNHMe (3d), PhNMe2 (3e), C10H6(NMe2)2 [1,8‐bis(dimethylamino)naphthalene] (3f) and [NMe4]2[{Cl2Pt(μ‐COMe)2Pt[(COMe)2H]}2] (3g)}. All complexes were characterized by microanalysis, and by 1H‐NMR and IR spectroscopy. X‐ray structure analyses reveal that in the solid state the complexes 3a · 0.5 CH2Cl2 and 3g · 2 CH2Cl2 consist of tetranuclear dianions with zigzag Pt4 chains [Pt–Pt–Pt angle: 122.92(3)° (3a), 119.30(6)° (3g)]. The central Pt···Pt distances [3a: 3.171(1) Å, 3g: 3.176(1) Å] give evidence for closed shell d8‐d8 interactions. Thus, these bis(acyl)‐bridged complexes can be regarded as organometallic analogues of platinum blue complexes.

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