Free radical annulation in the synthesis of bicyclic .beta.-lactams. 4. Exo vs. endo cyclizations in the construction of the (.+-.)-1-oxacepham and (.+-.)-1-oxahomocepham systems
Free-radical annelation in the synthesis of bicyclic β-lactams. 1. Synthesis of 8-oxo-5-oxa-1-azabicyclo[4.2.0]octane and 9-oxo-6-oxa-1-azabicyclo[5.2.0]nonane derivatives
作者:Mario D. Bachi、Christian Hoornaert
DOI:10.1016/s0040-4039(01)92971-5
日期:1981.1
A new method for the synthesis of some fused bicyclic β-lactams based on the completion of the molecular backbone by a free-radical CC bond forming reaction is described.