Indirect conversion of ambient pressure CO2 into oxazolidin-2-ones by a copper-based magnetic nanocatalyst

Indirect conversion of ambient pressure CO2 into oxazolidin-2-ones by a copper-based magnetic nanocatalyst
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铜基磁性纳米催化剂将常压二氧化碳间接转化为恶唑烷-2-酮

DOI:
10.1039/c6ra15857a
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发表时间:
2016-09
期刊:
影响因子:
3.9
通讯作者:
Hu Chang-Wen
Hu Chang-Wen
中科院分区:
化学3区
文献类型:
--
作者:
Cheng Bin-Bin;Yu Bing;Hu Chang-Wen

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开发了一种高效、实用、可磁性回收的铜基催化体系,用于氨基甲酸盐、芳香醛和芳香端炔的多组分反应合成恶唑烷-2-酮。磁性纳米催化剂FeDOPACu可以有效地促进不同官能团的恶唑烷-2-酮的合成,并具有良好的产率。重要的是,通过施加外部磁体可以容易地回收催化剂,这使得该方案经济且环境开始。该方法代表了一种有吸引力的多相协议,用于将CO2间接转化为增值的杂环,因为氨基甲酸盐容易通过用伯胺捕获CO2来获得。
An efficient, practical and magnetically recyclable Cu-based catalytic system for the synthesis of oxazolidin-2-ones via the multicomponent reaction of carbamate salts, aromatic aldehydes and aromatic terminal alkynes was developed. The magnetic nanocatalyst, namely FeDOPACu, could efficiently promote the construction of oxazolidin-2-ones with different functional groups in good to excellent yields. Importantly, the catalyst can be easily recovered by applying an external magnet, which rendered this protocol economic and environmentally begin. This method represents an attractive heterogeneous protocol for indirect transformation of CO2 into value-added heterocyles as the carbamate salts are easily obtained by capturing CO2 with primary amines.
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