Synthesis of symmetrical and unsymmetrical tellurides via silver catalysis

被引：11

作者：

Goldani, Bruna ^{[1
]}

do Sacramento, Manoela ^{[1
]}

Lenardao, Eder J. ^{[1
]}

Schumacher, Ricardo F. ^{[1
]}

Barcellos, Thiago ^{[2
]}

Alves, Diego ^{[1
]}

机构：

[1] Univ Fed Pelotas, UFPel, Lab Sintese Organ Limpa, LASOL,CCQFA, POB 354, BR-96010900 Pelotas, RS, Brazil

[2] Univ Caxias Do Sul, Lab Biotechnol Nat & Synthet Prod, Caxias Do Sul, RS, Brazil

来源：

NEW JOURNAL OF CHEMISTRY | 2018年 / 42卷 / 19期

关键词：

CROSS-COUPLING REACTIONS; ARYL BORONIC ACIDS; C-H BOND; ORGANOTELLURIUM COMPOUNDS; DIARYL CHALCOGENIDES; ARYLBORONIC ACIDS; TE BOND; ANTIOXIDANT ACTIVITY; ORGANOBORONIC ACIDS; TERMINAL ALKYNES;

D O I：

10.1039/c8nj01998c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We describe here a simple and efficient methodology for the cross-coupling reaction of diaryl ditellurides with aryl boronic acids catalyzed by AgNO3. The general applicability and wide substrate scope make this an interesting method for the synthesis of a series of symmetrical and unsymmetrical diaryl tellurides. This silver-catalyzed protocol tolerates a variety of diaryl ditellurides as well as aryl boronic acids by using only 10 mol% of AgNO3 to provide the desired products in high yields. The reaction mechanism was proposed after high resolution mass spectrometry analysis and the active (PhTe)(2)Ag-III intermediate could be detected.

引用

页码：15603 / 15609

页数：7

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