期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 17, 页码 2258-2266出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201900242
关键词
Tyrosinase; Enzyme models; Coordination modes; Pyrazole ligands; Homogeneous catalysis; N-donor ligands
资金
- CAU Kiel
Several copper(I) and copper(II) complexes supported by hemilabile bis(pyrazolylmethyl)amine (pzma) ligands are synthesized and structurally characterized. The copper(I) complexes with hexafluoridophosphate or perchlorate anions are employed as catalysts for the tyrosinase-like oxygenation of 2,4-di-tert-butylphenol (DTBP-H). Their activities are comparable to that of [Cu(MeCN)(2)PMP]PF6 (PMP= pyrazolylmethylpyridine) investigated earlier. In contrast to the copper(I) pzma complexes, their congeners supported by non-hemilabile bis(pyrazolylethyl)amine (pzea) ligands are found to be catalytically inactive.
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