申请人:Nihon Tokushu Noyaku Seizo K.K.
公开号:US04940483A1
公开(公告)日:1990-07-10
Fungicidal and herbicidal novel 3-substituted pyridines of the formula ##STR1## wherein A represents oxygen or sulfur, B represents oxygen, sulfur or sulfinyl, R.sup.1 represents hydrogen, halogen, alkyl or haloalkyl, R.sup.2 represents hydrogen, halogen, alkyl, phenyl, haloalkyl or phenoxy, l is 0 or 1, m is an integer from 1 to 4, n is an integer from 1 to 5, and W represents ##STR2## in which R.sup.3 and R.sup.4 each represent hydrogen, hydroxyalkyl, alkoxyalkyl, alkyl, benzyloxyalkyl, haloalkyl or carboxyalkyl, or R.sup.3 and R.sup.4 form a hydrocarbon ring having 3 to 12 carbon atoms in total together with the carbon atoms to which they are bonded, and R.sup.5, R.sup.6, R.sup.7 and R.sup.8 each represents hydrogen, alkyl or hydroxyalkyl, provided that none of R.sup.1, R.sup.2, R.sup.3, and R.sup.4 represents a hydrogen atom when A and B each represents oxygen, l is 0 and W represents ##STR3##
杀菌和除草的新型3-取代吡啶化合物,其化学式为##STR1## 其中A代表氧或硫,B代表氧、硫或亚磺酰基,R.sup.1代表氢、卤素、烷基或卤代烷基,R.sup.2代表氢、卤素、烷基、苯基、卤代烷基或苯氧基,l为0或1,m为1至4的整数,n为1至5的整数,W代表##STR2## 其中R.sup.3和R.sup.4分别代表氢、羟基烷基、烷氧基烷基、烷基、苄氧基烷基、卤代烷基或羧基烷基,或R.sup.3和R.sup.4与它们连接的碳原子一起形成一个碳原子数为3至12的碳氢环,R.sup.5、R.sup.6、R.sup.7和R.sup.8各自代表氢、烷基或羟基烷基,但当A和B均代表氧、l为0且W代表##STR3##时,R.sup.1、R.sup.2、R.sup.3和R.sup.4中没有一个代表氢原子。