as organocatalysts in the three-component cycloaddition of CO2, propargyl alcohol and primary amine was investigated, and 2,2′,2″-Terpyridine was found to be the efficient organocatalyst to afford 4-methylene-2-oxazolidinones or 2(3H)-oxazolones in good to high yields. 2,2′,2″-Terpyridine also showed high catalytic activity in the coupling reaction of CO2 with aziridines bearing either electron-donating
研究了
吡啶在CO 2,炔
丙醇和
伯胺的三组分环加成反应中作为有机催化剂的催化活化作用,发现2,2',2''-三联
吡啶是提供4-亚甲基-2-亚甲基-
2-吡咯烷酮的有效有机催化剂。
恶唑烷酮或2(3 H)-
恶唑酮,收率高至高。2,2',2''-三联
吡啶在CO 2与带有给电子或吸电子N-取代基的
氮丙啶偶联反应中也显示出高催化活性,从而以高收率得到取代的2-
恶唑烷酮。