A convenient route to fused 5-7-6 tricyclic ring systems
作者:Timo V. Ovaska、Jayme L. Roark、Christina M. Shoemaker、Jon Bordner
DOI:10.1016/s0040-4039(98)01198-8
日期:1998.8
An efficient and operationally simple route to fused tricyclic 5-7-6 ring systems was achieved through a consecutive 5-exo-dig cyclization/Claisen rearrangement process. The entire sequence can be conducted in one pot without isolation of intermediates.