TMSOTf-catalyzed synthesis of trisubstituted imidazoles using hexamethyldisilazane as a nitrogen source under neat and microwave irradiation conditions
作者:Kesatebrhan Haile Asressu、Chieh-Kai Chan、Cheng-Chung Wang
DOI:10.1039/d1ra05802a
日期:——
In the process of drug discovery and development, an efficient and expedient synthetic method for imidazole-based small molecules from commercially available and cheap starting materials has great significance. Herein, we developed a TMSOTf-catalyzed synthesis of trisubstituted imidazoles through the reaction of 1,2-diketones and aldehydes using hexamethyldisilazane as a nitrogen source under microwave
在药物发现和开发过程中,一种高效便捷的以市售廉价起始原料合成咪唑基小分子的方法具有重要意义。在此,我们利用六甲基二硅氮烷作为氮源,在微波加热和无溶剂条件下,通过 1,2-二酮和醛的反应开发了 TMSOTf 催化合成三取代咪唑。使用 X 射线单晶衍射分析证实了代表性三取代咪唑的化学结构。这种合成方法有几个优点,包括温和的路易斯酸的参与,不含金属和添加剂,底物范围广,收率好至极好,反应时间短。此外,
GIAMMANCO, L.;INVIDIATA, F. P., HETEROCYCLES, 1985, 23, N 6, 1459-1464
作者:GIAMMANCO, L.、INVIDIATA, F. P.
DOI:——
日期:——
Giammanco, Lorenzo; Invidiata, Francesco Paolo, Heterocycles, 1985, vol. 23, # 6, p. 1459 - 1464