Hydroxypyridonecarboxamides, their manufacture and use

C - Chemistry – Metallurgy – 07 – D

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C07D 213/78 (2006.01) A01N 43/40 (2006.01) A01N 43/48 (2006.01) A01N 43/72 (2006.01) C07D 213/82 (2006.01) C07D 213/83 (2006.01) C07D 401/00 (2006.01) C07D 405/00 (2006.01) C07D 409/00 (2006.01) C07D 413/00 (2006.01) C07D 417/00 (2006.01)

Patent

CA 2082572

O.Z. 0050/42842 Hydroxypyridonecarboxamides, their manufacture and use ABSTRACT OF THE DISCLOSURE: Hydroxypyridonecarboxamides of the formula I Image (I), where: x is oxygen or sulfur; R1, R2 independently of each other are hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl or alkoxy, and these organic radicals are substituted or unsubstituted; R3 is hydrogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, halogen or nitro; R4 is alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, al- kylthio, phenyl or a 5- or 6-membered heterocyclic, aliphatic or aromatic radical containing from one to three heteroatoms selected from the group con- sisting of oxygen, sulfur and nitrogen, and these radicals are substituted or unsubstituted; with the exception of 6-methyl-4-hydroxypyrid-2-one-3-carbo- xamide and 6-methyl-4-hydroxypyrid-2-one-3-carboxylic acid- tert-butylamide.

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