Regioselective hydroxylation, functionalisation and protection of spirolactams II

The invention provides highly functionalised spiro-fused azetidinones of formula I: having a cyclohexane moiety with the desired number of protected or unprotected hydroxyl groups or carbonated structures, which are introduced with high stereo and regioselectivity, as well as processes for their obtention.Peer reviewedLaboratorios del Dr. Esteve S.A.A1 Solicitud de patente con informe sobre el estado de la técnic