Manganese (III) based oxidative free-radical cyclizations. 3. Polycyclization reactions proceeding through secondary radicals.
作者:Raju Mohan、Steven A. Kates、Mark A. Dombroski、Barry B. Snider
DOI:10.1016/s0040-4039(01)81004-2
日期:1987.1
Oxidativecyclizations of 3, 14, 18 and 21 with Mn(OAc)3 ·2H2O give the tricyclic products 6, 15, 19 and 23, respectively, in good yield. These reactions proceed through a monocyclic secondary radical which adds to the benzene ring prior to the second oxidation.