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.
式中 X:Cl, Br,
NO2,
CF3, Y:H,Br,Cl,F 的
喹唑啉酮氧化物的制备方法及其在制备 3-
氟苯并二氮杂卓(可用作镇静剂、肌肉松弛剂和镇静剂)过程中作为中间体的用途。