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

被引：43

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.

引用

页码：328 / 334

页数：7

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