Synthesis of Novel and Uniquely Shaped 3-Azabicyclo[4.2.0]octan-4-one Derivatives by Sequential Ugi/[2+2] Ene−Enone Photocycloadditions
作者:Irini Akritopoulou-Zanze、Alan Whitehead、Jan E. Waters、Rodger F. Henry、Stevan W. Djuric
DOI:10.1021/ol070164l
日期:2007.3.1
[structure: see text]. We report a new methodology for the construction of novel and uniquely shaped 3-azabicyclo[4.2.0]octan-4-one derivatives by combining the Ugi multicomponent reaction with [2+2] enone-olefin photochemical transformations. The overall sequence is capable of creating up to five stereocenters; however, in most cases, only two diastereomers are observed.