芳香族格氏试剂与元素碲在四氢呋喃中的一步反应,然后将中间体氧化,以80%的产率生成(RC 6 H 4)2 Te 2(R = 4-CH 3,2 -CH 3),2-Cl,4-Br,4-F,3-F,4-C 6 H 5),产率为15%至58%。其他几种芳族格氏试剂和所有测试的脂族衍生物均未反应。二乙基和二丁醚不适合用作溶剂。
Facile access to aryltellurium compounds from arylboronic acids
作者:Aaron R. Clark、Rashmi Nair、Frank R. Fronczek、Thomas Junk
DOI:10.1016/s0040-4039(02)00025-4
日期:2002.2
Arylboronic acids were treated with tellurium tetrachloride to generate substituted aryltellurium trichlorides, which were reduced to the corresponding diaryl ditellurides in good to excellent overall yields. Representative products include diphenyl ditelluride, bis(2-nitrophenyl) ditelluride, bis(3-nitrophenyl) ditelluride, bis(4-methylphenyl) ditelluride and bis(2-chlorphenyl) ditelluride. 3,5-Dimethylphenyl
A new protocol for the polyoxomolybdate-based copper-catalyzed synthesis of diselenides and ditellurides from organic iodides and elemental selenium or tellurium with moderate to excellent yields (up to 96%) is developed. The virtue of this transformation is low catalyst loading (0.5 mol%). In addition, gram-scale experiments and the reaction mechanism are studied.
Synthesis of telluroamino acid derivatives with remarkable GPx like activity
作者:Antonio L. Braga、Eduardo E. Alberto、Letiére C. Soares、João B. T. Rocha、Jéssie H. Sudati、Daniel H. Roos
DOI:10.1039/b814990a
日期:——
A series of modular telluroamino acidderivatives with remarkable GPx-like behavior was prepared in an efficient and short two-step synthesis.
在高效且短的两步合成中,制备了一系列具有显着GPx样行为的模块化碲酸氨基酸衍生物。
Diaryl Ditellurides from grignard reagents and elemental tellurium
作者:Walfred S. Haller、Kurt J. Irgolic
DOI:10.1016/s0022-328x(00)81365-0
日期:1972.5
The one step reaction of aromatic Grignardreagents with elemental tellurium in tetrahydrofuran, followed by oxidation of the intermediates, produced diphenyl ditelluride in 80% yield and (RC6H4)2Te2 (R = 4-CH3, 2-CH3, 2-Cl, 4-Br, 4-F, 3-F, 4-C6H5) in yields ranging from 15 to 58%. Several other aromatic Grignardreagents and all aliphatic derivatives tested failed to react. Diethyl and dibutyl ether
芳香族格氏试剂与元素碲在四氢呋喃中的一步反应,然后将中间体氧化,以80%的产率生成(RC 6 H 4)2 Te 2(R = 4-CH 3,2 -CH 3),2-Cl,4-Br,4-F,3-F,4-C 6 H 5),产率为15%至58%。其他几种芳族格氏试剂和所有测试的脂族衍生物均未反应。二乙基和二丁醚不适合用作溶剂。