Fe3O4 Nanoparticles: A Robust and Magnetically Recoverable Catalyst for Direct C-H Bond Selenylation and Sulfenylation of Benzothiazoles

被引：42
|
作者：
Rafique, Jamal [1 ]
Saba, Sumbal [1 ]
Frizon, Tiago E. A. [2 ]
Braga, Antonio L. [1 ]
机构：
[1] Univ Fed Santa Catarina, Dept Quim, Labselen, BR-88040900 Florianopolis, SC, Brazil
[2] Univ Fed Santa Catarina, Campus Ararangua, BR-88906072 Ararangua, SC, Brazil
来源：
CHEMISTRYSELECT | 2018年 / 3卷 / 01期
基金：
巴西圣保罗研究基金会;
关键词：
Benzothiazoles; C-H bond chalcogenation; Fe3O4; nanoparticle; Selenide; Sustainable chemistry; UNSYMMETRICAL DIORGANYL CHALCOGENIDES; SOLVENT-FREE CONDITIONS; DIRECT THIOLATION; BORONIC ACIDS; S-ARYLATION; METAL; THIOLS; CYCLIZATION; EFFICIENT; DICHALCOGENIDES;
D O I：
10.1002/slct.201702623
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Herein, we report the magnetically recoverable Fe3O4 nanoparticle-catalyzed synthesis of 2-organochalcogen-benzothiazoles via direct C-H bond chalcogenation. This new approach works under an air atmosphere, affording the desired products in good to excellent yields using benzothiazoles, a half-molar equiv. of various diorganyl dichalcogenides, and 10mol % of catalytic loading. The method is attractive due to the recyclability of the catalyst and tolerance of a wide range of functional groups.
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页码：328 / 334
页数：7
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