申请人:Sumitomo Chemical Company, Limited
公开号:US04387223A1
公开(公告)日:1983-06-07
2(1H)-Quinazolinone and quinazolinethione derivatives having excellent pharmacological activities are produced in high yield with high purity by heating the corresponding 3,4-dihydro-2(1H)-quinazolinone or quinazolinethione derivatives together with sulfur in an inert solvent.
通过在惰性溶剂中加热相应的3,4-二氢-2(1H)-喹唑啉酮或喹唑啉硫醚衍生物与硫一起,可以高产高纯度地生产具有优异药理活性的2(1H)-喹唑啉酮和喹唑啉硫醚衍生物。