[4+2] Annulation of arylmethylphosphonochloridates with dibenzo[<i>b</i>,<i>f</i>][1,4]oxazepines: a practical approach to polycyclic benzo-δ-phosphonolactams
Xin Yuan, Yelong Lei, Zhicheng Fu, Jiaxi Xu
Abstract
Polycyclic benzo-δ-phosphonolactams were synthesized from readily available ethyl arylmethylphosphonochloridates and dibenzo[ b , f ][1,4]oxazepines via one-pot [4+2] annulation.
Topics & Concepts
ChemistryAnnulationMedicinal chemistryStereochemistryOrganic chemistryCatalysisSynthesis of β-Lactam CompoundsSynthesis and Biological ActivitySynthetic Organic Chemistry Methods