An unusual approach to spirolactones and related structures.
Spirocyclic structures can be obtained by an ipso-type radical cyclisation onto a furan or a suitably substituted pyrrole followed by oxidation of the stabilised radical adduct.
Guindeuil
Soizic
S
Laboratoire de Synthèse Organique associé au CNRS, Ecole Polytechnique, 91128 Palaiseau cedex, France.
Zard
Samir Z
SZ