Efficient synthesis of 2-substituted-1,2,3-triazoles

Efficient synthesis of 2-substituted-1,2,3-triazoles
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DOI:
10.1021/ol8006748
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发表时间:
2008-08-07
期刊:
影响因子:
5.2
通讯作者:
Fokin, Vallery V.
Fokin, Vallery V.
中科院分区:
化学1区
文献类型:
--
作者:
Kalisiak, Jaroslaw;Sharpless, K. Barry;Fokin, Vallery V.

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在该三组分反应中,炔与叠氮化钠和甲醛进行铜(I)催化的环加成,得到2-羟甲基-2H-1,2,3-三唑,其是可以容易地转化为多官能分子的有用中间体。羟甲基也可以被除去,从而方便地获得NH-1,2,3-三唑。该反应在实验上很简单,并且易于扩展。
In this three-component reaction, alkynes undergo a copper(I)-catalyzed cycloaddition with sodium azide and formaldehyde to yield 2-hydroxymethyl-2H-1,2,3-triazoles, which are useful intermediates that can be readily converted to polyfunctional molecules. The hydroxymethyl group can also be removed, providing convenient access to NH-1,2,3-triazoles. The reaction is experimentally simple and readily scalable.