The oxygenation constants and thermodynamic parameter （△H°, △S°） of a series of novel Co （Ⅱ） complexes with phenol ether bridged dihydroxamic acids CoL^1-CoL^6 were measured, their catalytic performan...The oxygenation constants and thermodynamic parameter （△H°, △S°） of a series of novel Co （Ⅱ） complexes with phenol ether bridged dihydroxamic acids CoL^1-CoL^6 were measured, their catalytic performance in oxidation of p-xylene to p-toluic acid （PTA） were examined. The modulation of O2-binding capabilities and catalytic oxidation activities by X （X = Cl, OCH3） and Y （Y = H, CH3, Cl） groups bonded to the aromatic rings of the Co （Ⅱ） complexes were investigated.展开更多
A new series of bis-hydroxamic acids ligands (H2L1～ H2 L5) with alkyl ether as bridge group and their cobalt complexes were synthesized.All the new c ompounds were characterized by elemental analysis,IR, 1 HNMR and M...A new series of bis-hydroxamic acids ligands (H2L1～ H2 L5) with alkyl ether as bridge group and their cobalt complexes were synthesized.All the new c ompounds were characterized by elemental analysis,IR, 1 HNMR and MS. The diox ygen affinities of their cobalt complexes were investigated at the same time.展开更多
基金supported by the National Natural Science Foundation of China(No.2007205).
文摘The oxygenation constants and thermodynamic parameter （△H°, △S°） of a series of novel Co （Ⅱ） complexes with phenol ether bridged dihydroxamic acids CoL^1-CoL^6 were measured, their catalytic performance in oxidation of p-xylene to p-toluic acid （PTA） were examined. The modulation of O2-binding capabilities and catalytic oxidation activities by X （X = Cl, OCH3） and Y （Y = H, CH3, Cl） groups bonded to the aromatic rings of the Co （Ⅱ） complexes were investigated.
文摘A new series of bis-hydroxamic acids ligands (H2L1～ H2 L5) with alkyl ether as bridge group and their cobalt complexes were synthesized.All the new c ompounds were characterized by elemental analysis,IR, 1 HNMR and MS. The diox ygen affinities of their cobalt complexes were investigated at the same time.
