期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 134, 期 51, 页码 20617-20620出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja3108774
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资金
- JSPS [22350030]
- Grants-in-Aid for Scientific Research [22350030, 23770152, 23550022] Funding Source: KAKEN
A hypochloritoiron(III) porphyrin species has been proposed as a key intermediate in an antimicrobial defense system in neutrophils and in hemecatalyzed chlorination reactions. We report herein the preparation, spectroscopic characterization, and reactivity of the bis(hypochlorito)iron(III) porphyrin complex [(TPFP)Fe-III(OC1)(2)](-) (1) and the imidazole-hypochloritoiron complexes (TPFP)Fe-III(OC1)(1-R-Im) [R = CH3 (2), H (3), CH2CO2H (4)], in which TPFP is 5,10,15,20-tetrakis(pentafluorophenyl)porphyrinate. The structures of 1-4 were confirmed by absorption, H-2 and F-19 NMR, EPR, and resonance Raman spectroscopy and electrospray ionization mass spectrometry at low temperature. The reactions of 1 and 2 with various organic substrates show that 1 and 2 are capable of chlorination, sulfoxidation, and epoxidation reactions and that 1 is much more reactive with these substrates than 2.
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