Palladium(II) coordination and cyclometallated complexes derived from 1-tert-butylpyrazole |
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| Authors: | M T Alonso O Juanes J de Mendoza J C Rodríguez-Ubis |
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| Institution: | Departamento de Química. Universidad Autónoma de Madrid, Cantoblanco, 28049- Madrid Spain |
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| Abstract: | The synthesis and characterization of a number of new coordination compounds of PdII with the nitrogen donor 1-tert-butylpyrazole (tBuPzH) are described. Compounds are trans-Pd(tBuPzH)2Cl2] and the cyclometallated structures Pd2(tBuPz)2(AcO)2] and Pd3(tBuPz)2(AcO)4]. All these complexes are mixtures of syn and anti isomers. Also, the chloro-bridged complex Pd2(tBuPz)2Cl2] has been isolated as an equilibrium mixture of cis and trans isomers. The compounds have been studied by variable temperature 1H- and 13C-NMR spectroscopy. |
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