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Silica-catalyzed carboxylative cyclization of propargylic amines with CO2
Tetrahedron Letters ( IF 1.5 ) Pub Date : 2020-10-17 , DOI: 10.1016/j.tetlet.2020.152557
Hideaki Matsuo , Jun-Chul Choi , Tadahiro Fujitani , Ken-ichi Fujita

By employing only silica as a catalyst, the carboxylative cyclization of a propargylic amine with CO2 proceeded to afford the corresponding 2-oxazolidinone. MCM-41, which was a mesoporous silica, was found to be the most effective silica for this purpose. Moreover, after the reaction, the MCM-41 catalyst was recovered by filtration and could be reused over ten times without deactivation.



中文翻译:

二氧化硅催化的炔丙基胺与CO 2的羧基环化

通过仅使用二氧化硅作为催化剂,进行炔丙基胺与CO 2的羧基环化反应,得到相应的2-恶唑烷酮。MCM-41是中孔二氧化硅,被发现是用于此目的的最有效的二氧化硅。此外,反应后,通过过滤回收MCM-41催化剂,并且可以在不失活的情况下重复使用十次以上。

更新日期:2020-11-12
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