Proline-Catalyzed Direct Inverse Electron Demand Diels–Alder Reactions of Ketones with 1,2,4,5-Tetrazines
作者:Hexin Xie、Liansuo Zu、Hanine R. Oueis、Hao Li、Jian Wang、Wei Wang
DOI:10.1021/ol800417q
日期:2008.5.1
An organocatalytic direct inverse electron demand Diels-Alder reaction of ketones with 1,2,4,5-tetrazines has been developed. The process is efficiently catalyzed by proline to give Diels-Alder adducts pyridazines in high yields.