Intermolecular additions of cyclobutanone derived radicals. A convergent, highly efficient access to polycyclic cyclobutane containing structures

Abstract : a-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. © 2003 Elsevier Ltd. All rights reserved.
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Grégori Binot, Samir Zard. Intermolecular additions of cyclobutanone derived radicals. A convergent, highly efficient access to polycyclic cyclobutane containing structures. Tetrahedron Letters, Elsevier, 2003, 44 (42), pp.7703-7706. ⟨10.1016/j.tetlet.2003.09.042⟩. ⟨hal-00954830⟩

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