Selective sulfoxidation of aryl sulfides by coordinatively unsaturated metal centers in chromium carboxylate MIL-101

• Published in: Applied catalysis. A, General Vol. 358; no. 2; pp. 249 - 253
• Main Authors: Hwang, Young Kyu, Hong, Do-Young, Chang, Jong-San, Seo, Hyejin, Yoon, Minji, Kim, Jinheung, Jhung, Sung Hwa, Serre, Christian, Férey, Gérard
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier B.V 01.05.2009; Elsevier
• Subjects: Catalysis; Chemistry; Colloidal state and disperse state; Coordinatively unsaturated metal site (CUS); Exact sciences and technology; General and physical chemistry; H 2O 2; Metal-organic frameworks (MOFs); MIL-101; Porous materials; Sulfoxidation; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry; MIL-101; H 2O 2; Sulfoxidation; Metal-organic frameworks (MOFs); Coordinatively unsaturated metal site (CUS); Nitrogen oxide; Oxygen; Hydrogen peroxide; Transition metal; H2O2; Porous material; Heterogeneous catalysis; Sulfides; Carboxylate; Chromium; Sulfoxide; pH; Oxidation; Aryl; Oxygenation; Chemical reactivity; Electrons; Nanoporosity
• ISSN: 0926-860X; 1873-3875
• DOI: 10.1016/j.apcata.2009.02.018

The chromium(III) carboxylate MIL-101 with coordinatively unsaturated sites (CUS) has shown to be active in the sulfoxidation of aryl sulfides with H 2O 2 to selectively produce the corresponding sulfoxides. The nanoporous chromium carboxylate MIL-101 with coordinatively unsaturated chromium sites has been shown to be active in the sulfoxidation of aryl sulfides with H 2O 2 to selectively produce the corresponding sulfoxides. Interestingly, the electron-releasing groups in the oxygenation reaction of para-X-phenylmethyl sulfoxides (X-Ph-S-CH 3, X = CH 3, H, NO 2, and CN) enhanced the oxidation reactivity in 1:1 mixtures of X-Ph-S-CH 3:H-Ph-S-CH 3. Moreover, the 18O-labeled experiments to understand the source of oxygen in sulfoxide products proved that the oxygen atom in the sulfoxide product was entirely derived from H 2O 2.