Ag(I) complexes of benzimidazol-2-ylidene ligands: a study of catalytic efficiency towards three-component coupling reactions

被引：10
|
作者：
Kilincarslan, Rafet [1 ]
Sadic, Naim [1 ]
Cetinkaya, Bekir [2 ]
机构：
[1] Pamukkale Univ, Fac Sci & Letters, Dept Chem, Denizli, Turkey
[2] Ege Univ, Dept Chem, Fac Sci, Izmir, Turkey
来源：
TURKISH JOURNAL OF CHEMISTRY | 2016年 / 40卷 / 04期
关键词：
N-heterocyclic carbene; benzimidazol-2-ylidene; coupling reaction; catalyst; N-HETEROCYCLIC-CARBENE; ANTIMICROBIAL ACTIVITY; SILVER COMPLEXES; METAL-COMPLEXES; PALLADIUM(II); PRECURSORS; ALDEHYDE; GOLD(I); IRIDIUM; ALKYNE;
D O I：
10.3906/kim-1510-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The N-heterocyclic carbene (NHC)-Ag(I) complexes 3a-c were synthesized from benzimidazolium chlorides (2a-c = NHC center dot HCl), incorporating benzyl derivatives and a 2-methoxyethyl group (a: N-3 = 2,4,6-trimethylbenzyl; b: N-3 - 2,3,5,6-tetramethylbenzyl; c: N-3 - pentamethylbenzyl). The compounds were characterized by spectroscopic and elemental analyses. The synthesized NHC-Ag(I) complexes (3a-c) were tested as catalysts for the catalytic three component coupling reaction of aldehyde, alkyne, and amine to propargylamines in various solvents. All complexes were active catalysts for catalytic three-component coupling reactions with good yields under neat and mild conditions (after 4 h, yields of up to 94%).
引用
收藏
页码：681 / 687
页数：7
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