Transition metal-catalyzed C-H functionalization of arylacetic acids for the synthesis of benzothiadiazine 1,1-dioxides

被引：14
作者：
Patil, Bhausaheb N. [1 ]
Lade, Jatin J. [1 ]
Karpe, Aniket S. [1 ]
Pownthurai, B. [1 ]
Vadagaonkar, Kamlesh S. [2 ]
Mohanasrinivasan, V. [3 ]
Chaskar, Atul C. [1 ]
机构：
[1] Univ Mumbai, Natl Ctr Nanosci & Nanotechnol, Mumbai 400098, Maharashtra, India
[2] Inst Chem Technol, Dept Dyestuff Technol, Mumbai 400019, Maharashtra, India
[3] Vellore Inst Technol, Dept Biomed Sci, Vellore 632014, Tamil Nadu, India
来源：
TETRAHEDRON LETTERS | 2019年 / 60卷 / 13期
关键词：
Arylacetic acids; Benzothiadiazine 1,1-dioxides; C-H functionalization; Transition metal-catalyzed; ONE-POT; 2H-1,2,4-BENZOTHIADIAZINE 1,1-DIOXIDES; REGIOSELECTIVE SYNTHESIS; BOND FUNCTIONALIZATIONS; PHENYLACETIC ACIDS; 1,2,4-BENZOTHIADIAZINE; 2-AMINOBENZENESULFONAMIDE; QUINAZOLINONES; CYCLOTHIAZIDE; DERIVATIVES;
D O I：
10.1016/j.tetlet.2019.02.031
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Copper-catalyzed practical route for the synthesis of benzothiadiazine 1,1-dioxides has been developed. The method involves C-H functionalization of arylacetic acids to form aromatic aldehydes and their subsequent condensation with 2-aminobenzenesulfonamide. This functional group tolerant approach furnished benzothiadiazine 1,1-dioxide derivatives in good to excellent yields. Broad substrate scope, inexpensive catalyst and high product yields are notable features of this protocol. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：891 / 894
页数：4
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