Facile Synthesis of 4H-1,2,4-Benzothiadiazine-1,1-dioxides

被引:16
作者
Cherepakha, Artem [1 ]
Kovtunenko, Vladimir O. [1 ]
Tolmachev, Andrey [1 ,2 ]
Lukin, Oleg [1 ,2 ]
Nazarenko, Konstantin G. [3 ]
机构
[1] Natl Taras Shevchenko Univ, ChemBio Ctr, UA-01033 Kiev, Ukraine
[2] Enamine Ltd, Kiev, Ukraine
[3] Natl Acad Sci Ukraine, Inst Organ Chem, Kiev, Ukraine
关键词
Acylation; amidines; 1; 2; 4-benzothiadiazine-1; 1-dioxide; copper-catalyzed cyclization; sulfonyl chlorides; 1,2,4-BENZOTHIADIAZINE 1,1-DIOXIDE; DERIVATIVES; ACID; ANTAGONIST; DIMERS;
D O I
10.1080/00397911.2010.494815
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
[image omitted] o-Bromoarylsulfonylated amidines prepared either by acylation of amidine with o-bromoarylsulfonyl chloride or through the reaction of o-bromoarylsulfoamide with lactime ether underwent Cu(I)-catalyzed intramolecular cyclization to give 4H-1,2,4-benzothiadiazine-1,1-dioxides in good yield. By varying substituents on arylsulfonyl moieties, amidines, and lactime ethers, a small library of structurally diverse 4H-1,2,4-benzothiadiazine-1,1-dioxide derivatives was prepared.
引用
收藏
页码:1977 / 1989
页数:13
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