| abstract |
Microbicidal substituted pyrazolin-5-ones of the formula <IMAGE> in which R1 and R2 independently of one another each represent hydrogen, alkyl, alkenyl, alkinyl, cyanoalkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkoxycarbonyl, hydroxycarbonylalkyl, alkoxycarbonylalkyl, aminocarbonylalkyl, alkyllaminocarbonylalkyl or dialkylaminocarbonylalkyl, or represent in each case optionally substituted oxiranylalkyl, aralkyl, heterocyclyl or aryl and Het represents an optionally substituted heterocyclic radical. Intermediates therefor of the formula <IMAGE> in which R is alkyl, are also new. |