Synthesis of novel selenium and tellurium-containing tetrazoles: a class of chalcogen compounds with antifungal activity
摘要:
We describe herein the synthesis and antifungal activity of new 5-arylchalcogenoalkyl-1H-tetrazoles 4. Arylchalcogenoalkyl-1H-tetrazoles 4 have been synthesized in high yields by reaction of arylchalcogenolate anions with chloronitriles 2, and subsequent [2+3] cycloaddition of resulting arylchalcogenoalkylnitriles 3 with sodium azide by zinc catalysis in aqueous solution. The obtained compound 4a was screened for antifungal activity and presented inhibitory property against seven fungal strains. This protocol is an efficient method to produce new selenium-nitrogen compounds with antifungal activity. (C) 2012 Published by Elsevier Ltd.
An Effective Synthesis of β- Selenium and β- Tellurium Carbonyl Compounds Via Reaction of Diaryldiselenides Or Diarylditellurides with α,β- Unsaturated Carbonyl Compounds Induced by Low-Valent Titanium
作者:Long-Hu Zhou、Yong-Min Zhang
DOI:10.1080/00397919908085796
日期:1999.2
Abstract P-Selenium and β-tellurium carbonylcompounds have been prepared in good yield by reaction of diaryldiselenides or diarylditelluride with α,β-unsaturated carbonylcompoundsinduced by TiC14 / Sm /THF system under mild reaction conditions.
Reductive Cleavage of Te-Te Bond in Ditellurides by Sm / ZrCl<sub>4</sub>System : a Novel Method for the Synthesis of β-Telluroesters (and Nitriles)
作者:Songlin Zhang、Yongmin Zhang
DOI:10.1080/00397910008087320
日期:2000.1
Abstract Diaryl ditellurides were conveniently reduced by a system consisting of samarium and zirconium tetrachloride in tetrahydrofuran to produce samarium aryltellurolates. This new tellurolate anion species reacted smoothly with α, β-unsaturated esters (and nitriles) to give β-telluroesters (and nitriles) in good yields.