| 摘要 |
<p>Microbicidal agents which are used for protecting industrial materials and contain 4-nitroso-pyrazoles of the formula < IMG > wherein R1 represents cyanoalkyl with up to 6 carbon atoms, C3 to C8-cycloalkyl which is optionally interrupted by -S-, -SO- or SO2-, phenyl which is substituted by nitro, C1 to C4-alkoxy and/or phenylsulphonyl, benzyl which is optionally substituted by halogen, nitro, C1 to C4- alkyl and/or C1 to C4-alkoxy, or a 5-membered or 6-membered heterocyclic ring which contains 1 or 2 nitrogen atoms and optionally contains a sulphur atom and which is optionally benzofused. Certain new 4-nitroso-pyrazoles are disclosed wherein R1 is cyano-ethyl, phenyl which is nitro, methoxy and/or phenylsulphonyl substituted, pyrimidinyl, benzothiazolyl or the radical < IMG ></p> |
