申请人:Richter Gedeon Vegyeszeti Gyar Rt.
公开号:US05118687A1
公开(公告)日:1992-06-02
The invention relates to novel compounds 1-oxa-2-oxo-8- of the formula (I), ##STR1## wherein X means oxygen or an >NR group, wherein R stands for hydrogen, a C.sub.1-12 alkyl, C.sub.3-6 cycloalkyl, carbocyclic C.sub.6-10 aryl or carbocyclic C.sub.6-10 aryl-C.sub.10-4 alkyl group, the latter two groups are optionally substituted on their aromatic moiety by one or more, same or different halogen(s), one or more C.sub.1-4 alkyl or C.sub.1-4 alkoxy group(s); R.sup.1 and R.sup.2 together represent a methylene group or, when X stands for an >NR group, wherein R is as defined above, one of R.sup.1 and R.sup.2 may represent a hydroxyl group whereas the other is a methyl group; R.sup.3 stands for hydrogen or a phenyl group optionally substituted by one or more halogen(s), one or more C.sub.1-4 alkyl or C.sub.1-4 alkoxy or hydroxyl group(s); R.sup.4 means hydrogen, one or more halogen(s), C.sub.1-4 alkyl, C.sub.1-4 alkoxy, hydroxyl or trihalomethyl group(s); and n is 1, 2 or 3 as well as their acid addition and quaternary ammonium salts.
本发明涉及一种新型化合物1-氧杂-2-酮-8-的式子(I),其中X表示氧或>NR基团,其中R代表氢,C.sub.1-12烷基,C.sub.3-6环烷基,碳环C.sub.6-10芳基或碳环C.sub.6-10芳基-C.sub.10-4烷基,后两个基团在它们的芳香基上可以选择性地被一个或多个相同或不同的卤素,一个或多个C.sub.1-4烷基或C.sub.1-4烷氧基取代;R.sup.1和R.sup.2一起表示亚甲基基团,或者当X表示>NR基团,其中R如上所定义时,R.sup.1和R.sup.2中的一个可以表示羟基,而另一个是甲基基团;R.sup.3表示氢或一种芳基,可以选择性地被一个或多个卤素,一个或多个C.sub.1-4烷基或C.sub.1-4烷氧基或羟基取代;R.sup.4表示氢,一个或多个卤素,C.sub.1-4烷基,C.sub.1-4烷氧基,羟基或三卤甲基基团;n为1、2或3,以及它们的酸加成物和季铵盐。