An Efficient Synthetic Routeto Homocarbonyltopsentine
作者:Benoît Joseph、Cyril Montagne、Guy Fournet
DOI:10.1055/s-2003-40843
日期:——
Efficient synthesis of homocarbonyltopsentine Ia, starting from readily available triiodoimidazole 9 and 3-formylindoles 2 and 18 is described. The key steps of the synthesis are selective halogen-metal exchanges at the imidazole nucleus and subsequent addition to formylated indoles.