Safety of Dichloro(1,5-cyclooctadiene)platinum(II). Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Roles played by carbene substituents during ligand transfer reactions between tungsten fischer carbene complexes and [Pt(COD)Cl2]. Author is Weststrate, Nora-ann; Hassenruck, Christopher; Liles, David C.; Lotz, Simon; Gorls, Helmar; Winter, Rainer F..
Fischer carbene ligand transfer reactions from [W{C(X)(C6H4-4-R)}(CO)5] (X = OEt: a series; X = NMe2: b series), containing remote tertiary amino substituents R = R’2N at the Ph ring, to Pt(II) of [Pt(COD)Cl2] precursors, were studied. The number of carbene ligands transferred per Pt ion in these cases are determined by the electronic and steric properties of the heteroatoms of the carbene ligand. Thus, neutral bis(carbene) complexes, [Pt{C(X)(C6H4-4-R)}2Cl2], (R = H (1a); R = NR’2 and R’ = Me (2a), Ph (3a), or 4-BrC6H4 (4a)), are formed from the ethoxycarbene precursors (X = OEt), while cationic tris(carbene) complexes [Pt{C(X)(C6H4-4-R)}3Cl]+ Z-, (R = H (1b) and R = NR’2 and R’ = Me (2b), Ph (3b), or 4-BrC6H4 (4b)) were obtained from the aminocarbene precursors (X = NMe2), the latter with different counterions Z- = Cl-, [W(CO)5Cl]- or PF-6. Electro- and spectroelectrochem. studies indicate consecutive oxidations of the individual carbene ligands, but also a lack of electronic interactions across the (X)C:Pt:C(X) linkages.
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