CCl4-TMEDA-CuCl-A Novel Convenient Catalytic System for Dimerization of Terminal Acetylenes in Mild Conditions

被引：0
作者：
Muzalevskiy, Vasiliy M. [1 ]
Shastin, Alexey V. [2 ]
Tirkasheva, Sarvinoz I. [3 ]
Ziyadullaev, Odiljon E. [3 ]
Parmanov, Askar B. [4 ]
Nenajdenko, Valentine G. [2 ]
机构：
[1] Lomonosov Moscow State Univ, Dept Chem, Moscow 119899, Russia
[2] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Russia
[3] Chirchik State Pedag Univ, Dept Chem, A Temur 104, Chirchik 111700, Uzbekistan
[4] Natl Univ Uzbekistan, Dept Gen & Oil Gas Chem, Univ St 4, Tashkent 100174, Uzbekistan
来源：
CATALYSTS | 2023年 / 13卷 / 10期
关键词：
tetrachloromethane; acetylene; oxidative homocoupling; diyne; copper; HOMOCOUPLING REACTION; EFFICIENT SYNTHESIS; COUPLING REACTION; ALKYNES; 1,3-DIYNES; LIGAND; POLYACETYLENES; OXIDATION; OXIDANT; BLOCKS;
D O I：
10.3390/catal13101330
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel catalytic system for homocoupling terminal acetylenes was elaborated based on CuCl as a catalyst (10 mol%), TMEDA as a base and CCl4 as an oxidant. The influence of the solvent, base, amount of catalyst and CCl4 on the reaction was investigated. Methanol was found to be the solvent of choice. The broad synthetic scope of the reaction was demonstrated. Diynes with various substituents were prepared in up to 92% yields. The possible reaction mechanism is discussed.
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页数：13
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