Abstract
cis-[Pt(κ2-Ar)(κ1-Ar)(OH2)] (κ2-Ar = κ2C,O-C6(NO2)2-2,6-(OMe)3, κ1Ar = κC-C6(NO2)2-2,6-(OMe)3) reacts either (1) with hydrochloric acid (1:1) to afford cis- and trans-[Pt(κ2-Ar)(μ-Cl)]2 (1a) and C6H(NO2)2-2,6-(OMe)3 (HAr) or (2) with MeC(O)X (1:1) in the presence of atmospheric moisture to give 1a or 1b (X = Br). These complexes react (1) with bidentate ligands to afford [Pt(κ1-Ar)X(L∧L)] (X = Cl, L∧L = bpy (2a); X = Br, L∧L = 1,5-cyclooctadiene (cod; 2b), norbornadiene (nbd; 2c)), (2) with Tl(acac) to give [Pt(κ2-Ar)(acac-κ2O,O)] (3), and (3) with monodentate neutral ligands to render complexes resulting from bridge splitting or/and cleavage of the Pt−O bond ([Pt(κ1-Ar)BrL2] (L = MeCN (4a), XyNC (Xy = C6H3Me2-2,6; 4b), [Pt(κ2-Ar)BrL] (L = MeCN (5a), XyNC (5b), CO (5c)), [Pt(κ1-Ar)(μ-X)L]2 (X = Br, L = 3-hexyne (6a), ethylene (6b), styrene (6c); X = Cl, L = PPh3 (6d)), depending on the nature of the ligand and the molar ratio of the reagents. Complex 6d reacts (1) with monodentate neutral ligands to give ...
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