Tetrahedron p. 1200 - 1204 (2016)
Update date:2022-08-12
Topics:
Liu, Huixin
Hua, Ruimao
The catalytic activation of pyridines 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 or electron-withdrawing N-substituents to give substituted 2-oxazolidinones in high yields.
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