申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0301784A1
公开(公告)日:1989-02-01
Sulfonylurea derivatives of the formula
wherein J is a substituted phenyl, thienyl, naphthyl, pyridyl, pyridylmethyl or pyrazolyl group:
W is O or S;
R is H or CH3;
A is a mono- or bicyclic heterocylic group,
and their agriculturally suitable salts, exhibit herbicidal activity. Some also show a plant growth regulant effect.
The novel compounds may be made by a variety of synthetic routes, e.g. by reaction of a sulfonamide of formula JSO2NH2 with a phenyl carbamate or thiocarbamate of formula PhO.CW.NRA.
式中的磺酰脲衍生物
其中 J 为取代的苯基、噻吩基、萘基、吡啶基、吡啶甲基或吡唑基:
W 是 O 或 S
R 是 H 或 CH3;
A 是单环或双环杂环基团、
及其农业上适用的盐类具有除草活性。有些化合物还具有植物生长调节作用。
这些新型化合物可以通过多种合成途径制得,例如通过式 JSO2NH2 的磺酰胺与式 PhO.CW.NRA 的苯基氨基甲酸酯或硫代氨基甲酸酯反应。