申请人:Bayer Aktiengesellschaft
公开号:US04515801A1
公开(公告)日:1985-05-07
Pyrano-pyrazole derivative of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkanoyl, alkoxycarbonyl, optionally substituted phenyl or optionally substituted phenylalkyl, R.sup.2 and R.sup.3 can be identical or different and represent hydrogen, alkyl or optionally substituted phenyl, R.sup.4 represents cyano, alkyl, alkoxycarbonyl or optionally substituted phenyl, Y represents oxygen, sulphur or the methylene group, X represents halogen, alkyl, alkoxy, alkylthio, halogenoalkyl, dialkylamino, nitro or cyano and n represents a number from 0 to 3, which possess fungicidal activity.
该公式中的Pyrano-pyrazole衍生物为##STR1##,其中R.sup.1代表氢、烷基、烷酰基、烷氧羰基、可选择取代的苯基或可选择取代的苯基烷基,R.sup.2和R.sup.3可以相同也可以不同,代表氢、烷基或可选择取代的苯基,R.sup.4代表氰基、烷基、烷氧羰基或可选择取代的苯基,Y代表氧、硫或亚甲基,X代表卤素、烷基、烷氧基、烷硫基、卤代烷基、二烷基胺、硝基或氰基,n代表从0到3的数字,具有杀真菌活性。