Palladium-Catalyzed Carbonylative Cross-Coupling with Imines: A Multicomponent Synthesis of Imidazolones
作者:Ali R. Siamaki、Daniel A. Black、Bruce A. Arndtsen
DOI:10.1021/jo701875b
日期:2008.2.1
[GRAPHICS]The palladium-catalyzed coupling of imines, chloroformates, organotin reagents, and carbon monoxide leads to the one-pot formation of ketocarbamates in good yields. These products can further be converted to highly substituted imidazolones via a cyclocondensation reaction. Overall, this methodology provides an alternative approach to imidazolones from five simple and readily available building blocks via a one-pot, multicomponent process.