627900-96-3Relevant articles and documents
Intermolecular additions of cyclobutanone derived radicals. A convergent, highly efficient access to polycyclic cyclobutane containing structures
Binot, Gregori,Zard, Samir Z.
, p. 7703 - 7706 (2007/10/03)
α-Xanthyl cyclobutanones undergo intermolecular radical additions to olefins bearing various functional groups. Adducts containing a phosphonate can be made to cyclise by an internal Wittig-Horner-Emmons reaction to give cyclohexene and cycloheptene rings fused to the cyclobutane.