An Unexpected N-Heterocyclic Carbene-Catalyzed Annulation of Enals and Nitroso Compounds

作者：Yang Limin; Tan Bin; Wang Fei; Zhong Guofu^*

来源：Journal of Organic Chemistry, 2009, 74(4): 1744-1746.

DOI：10.1021/jo802515g

The N-heterocyclic carbene (NHC)-catalyzed annulation of enals with nitroso compounds in the presence of DBU in THF has been described. Unexpected seven-membered 4-azalactones were formed according to a process involving a 1,2-Bamberger-type rearrangement.

• 出版日期2009-2-20
• 单位南阳理工学院