| abstract |
Substituted tetrahydrothiopyran-3,5-dione-4-carboxamides ABSTRACT Novel substituted tetrahydrothiopyran-3,5-dione-4-carboxamide fungicides of the formula in which R is alkyl, cycloalkyl, optionally substituted aralkyl or optionally substituted aryl, R1, R2 and R3 each independently is hydrogen or alkyl, and R4 is alkyl, excepting the compounds in which R1 and R3 are hydrogen R4 is methyl, R is alkyl, phenyl or phenyl which is substituted by halogen and/or methyl, and R2 is hydrogen or methyl, Many of the intermediates are also new. |