Selective Photooxidation of a Mustard-Gas Simulant Catalyzed by a Porphyrinic Metal-Organic Framework

被引：276
|
作者：
Liu, Yangyang [1 ]
Howarth, Ashlee J. [1 ]
Hupp, Joseph T. [1 ]
Farha, Omar K. [1 ,2 ]
机构：
[1] Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA
[2] King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah 21413, Saudi Arabia
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2015年 / 54卷 / 31期
基金：
美国国家科学基金会;
关键词：
chemical warfare agents; heterogeneous catalysis; metal-organic frameworks; photooxidation; singlet oxygen; CHEMICAL WARFARE AGENTS; ULTRAHIGH SURFACE-AREA; SINGLET-OXYGEN; MOLECULAR-OXYGEN; PHOTODYNAMIC THERAPY; THIOETHER-OXIDATION; HYDROGEN-PEROXIDE; WATER OXIDATION; TRIPLET-STATES; MECHANISM;
D O I：
10.1002/anie.201503741
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The photooxidation of a mustard-gas simulant, 2-chloroethyl ethyl sulfide (CEES), is studied using a porphyrin-based metal-organic framework (MOF) catalyst. At room temperature and neutral pHvalue, singlet oxygen is generated by PCN-222/MOF-545 using an inexpensive and commercially available light-emitting diode. The singlet oxygen produced by PCN-222/MOF-545 selectively oxidizes CEES to the comparatively nontoxic product 2-chloroethyl ethyl sulfoxide (CEESO) without formation of the highly toxic sulfone product. In comparison to current methods, which utilize hydrogen peroxide as an oxidizing agent, this is a more realistic, convenient, and effective method for mustard-gas detoxification.
引用
收藏
页码：9001 / 9005
页数：5
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