Abstract
New stable O,N-heterocyclic stannylene 1 bearing tetradentate 4,6-di-tert-butyl-N-(PhC(CH3)N(CH2)3NMe2)-o-amidophenolate ligand (RAP) has been synthesized and characterized. Complex 1 is monomeric in solid state and in solution due to intramolecular N → Sn donor–acceptor interactions. Compound 1 was found to be inert towards one-electron oxidants, air and moisture. Oxidative addition of the 3,6-di-tert-butyl-o-benzoquinone (3,6-Q) to stannylene 1 has yielded the new octahedral catecholate Sn(IV) compound RAPSn(3,6-di-tert-butylcatecholate) 2. Reaction of 1 with Lewis acid such as Fe2(CO)9 results in the formation of stable adduct 3 – RAPSn-Fe(CO)4. The molecular structures of obtained compounds were determined by single crystal X-ray diffraction.
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