Oxidation of dibenzothiophene by mononuclear non-heme iron complexes: A biomimetic approach for oxidative desulphurization

被引：0

作者：

Vardhaman, Anil Kumar ^{[1
]}

Sikdar, Subhajit ^{[1
]}

Sastri, Chivukula V. ^{[1
]}

机构：

[1] Indian Inst Technol Guwahati, Dept Chem, Gauhati, Assam, India

来源：

INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY | 2011年 / 50卷 / 3-4期

关键词：

Bioinorganic chemistry; Oxidation; Desulphurization; Oxidative desulphurization; Iron; Dibenzothiophene; DEEP DESULFURIZATION; SPECTROSCOPIC CHARACTERIZATION; OXOIRON(IV) COMPLEX; DIESEL; EXTRACTION; SULFIDES; LIGAND; INTERMEDIATE; ACTIVATION; MECHANISM;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Dibenzothiophene (DBT), a common component of crude oil, is a widespread environmental pollutant with known adverse effects. Oxidation of DBT to dibenzothiophene sulfone has been examined using in situ generated high-valent oxoiron(IV) complexes. The reactivities and the corresponding thermodynamic parameters are evaluated and compared with those for simple S-oxidation (thioanisole) reactions. Among the catalysts examined, [Fe(II)(Bn-Tpen)](2+) is found to be a more efficient oxidant over [Fe(II)(N4Py)](2+). The order of the reactivity and the evaluated thermodynamic parameters signify the role of the electron delocalization due to benzene rings for DBT oxidation.

引用

页码：427 / 431

页数：5

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