申请人:The B.F. GOODRICH Company
公开号:EP0001559A2
公开(公告)日:1979-05-02
Several novel syntheses have been discovered for preparation of 2-keto-1,4- diazacycloalkanes and their derivatives. Trans isomers of polysubstituted quinoxalin-2- ones may now be prepared.
我们发现了几种制备 2-酮基-1,4-重氮环烷及其衍生物的新合成方法。 现在可以制备多取代喹喔啉-2-的反式异构体。