Oxygenation of aromatic substrates over Pd(II) catalysts bearing bis(pyrazol-1-yl)alkanes ligands |
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| Authors: | Francisco Ló pez-Linares, Oscar Colmenares, Edgar Catarí Arquí medes Karam |
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| Affiliation: | (1) I: Laboratorio de Polímeros; II: Laboratorio de los Metales de Transición, Centro de Química, Instituto Venezolano de Investigaciones Científicas (IVIC), Apdo. 21827, Caracas 1020-A, Venezuela;(2) Laboratorio de Polímeros, Apdo. 21827, Caracas 1020-A, Venezuela;(3) Laboratorio de Polímeros, Apdo. 21827, Caracas 1020-A, Venezuela;(4) Laboratorio de Polímeros, Apdo. 21827, Caracas 1020-A, Venezuela |
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| Abstract: | Summary Liquid phase oxygenation of 1-tetralin, ethylbenzene, cyclohexane and toluene is describe using four catalyst precursors such as: (CH2)n(PzR)PdCl2 (n=1,2; R=H, Me) at T=100°C, Pair= 5.4 atm, substrate/catalyst ratio=100 for 3 h,. It was observed that the type of alkyl bridge between the pyrazolyl ligands has an effect on the catalytic activity. |
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| Keywords: | Palladium 1 homogeneous oxygenation 2-bis(pyrazol-1yl)alkanes ligands |
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