Catalytic activity of magnetic Fe3O4@Diatomite earth and acetic acid for the N-acylation of sulfonamides

被引：13
|
作者：
Ghasemi, Mohammad Hadi [1 ]
Kowsari, Elaheh [1 ]
Hosseini, Seyed Kiumars [2 ]
机构：
[1] Amirkabir Univ Technol, Dept Chem, Hafez Ave,424,POB 159163-4413, Tehran, Iran
[2] Temad Co, R&D Labs, POB 316481-6478, Tehran, Iran
来源：
TETRAHEDRON LETTERS | 2016年 / 57卷 / 03期
关键词：
Diatomite earth; Glacial acetic acid; Magnetic Fe3O4; N-acylation; Sulfonamide; HETEROGENEOUS CATALYST; ACYL SULFONAMIDES; EFFICIENT METHOD; FACILE SYNTHESIS; NANOPARTICLES; REAGENTS; ACYLSULFONAMIDES; ANTAGONISTS; ALKYLATION; ANHYDRIDES;
D O I：
10.1016/j.tetlet.2015.12.044
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The Bronsted and Lewis acidic promoted N-acylation of sulfonamides with acetic anhydride or benzoyl chloride has been achieved using glacial acetic acid and magnetic Fe3O4@Diatomite earth. Use of acetic acid as solvent omits the need for organic bases and permits the isolation of products by filtration and precipitation. Additionally, the magnetic composite Fe3O4@Diatomite acts as a conjugate proton super acid, enabling the acylation of sulfonamide compounds. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：387 / 391
页数：5
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