Novel Organotellurium Heterocycles Derived From Bis(2-Aminophenyl) Ditelluride

被引：8
|
作者：
Sanford, Gabrielle [1 ]
Walker, Kaitlynn E. [1 ]
Fronczek, Frank R. [2 ]
Junk, Thomas [1 ]
机构：
[1] Univ Louisiana Lafayette, Dept Chem, Lafayette, LA 70507 USA
[2] Louisiana State Univ, Dept Chem, Baton Rouge, LA 70903 USA
来源：
JOURNAL OF HETEROCYCLIC CHEMISTRY | 2017年 / 54卷 / 01期
关键词：
D O I：
10.1002/jhet.2624
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
[GRAPHICS] Novel methods for the preparation of organotellurium heterocycles derived from bis(2-aminophenyl) ditelluride were developed. Thus, highly nucleophilic 2-aminobenzenetellurol generated by reduction in situ reacted smoothly with malonitrile to 2-cyanomethylbenzo-1,3-tellurazole, while its treatment with carbon disulfide and subsequent methylation generated 2-methylmercaptobenzo- 1,3-tellurazole. Amidation to ( 2-haloacetamidophenyl) ditellurides, followed by reduction under carefully controlled conditions, furnished previously inaccessible 2H-1,4-benzotellurazin-3(4H)-ones in yields ranging from 47- 62%.
引用
收藏
页码：575 / 579
页数：5
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