Quinazolinone oxides and process for their preparation
申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0000148A1
公开(公告)日:1979-01-10
Quinazolinone oxides of formula
where X : Cl, Br, NO2, CF3,
Y:H,Br,Cl,F
process for their preparation and their use as intermediates in the preparation of 3-fiuorobenzodiazepines which are useful as tranquilizers, muscle relaxants and sedatives.