Alkoxyiminoacetamide derivatives and their use as fungicides

A compound of the formula:

• ##STR54## wherein R.sup.1 and R.sup.2 are each hydrogen, lower alkyl or cyclo(lower) alkyl;
• R.sup.3 is lower alkyl or cyclo(lower)alkyl;
• R.sup.4 and R.sup.5 are each hydrogen, lower alkyl, lower alkoxy, halogen-substituted lower alkyl, lower alkyl-substituted silyl, halogen or nitro;
• A represents a C.sub.2 -C.sub.12 alkenyl group, a C.sub.2 -C.sub.12 alkadienyl group, a halogen-substituted C.sub.2 -C.sub.12 alkenyl group, a halogen-substituted C.sub.2 -C.sub.12 alkadienyl group, a phenyl group or a heterocyclic group selected from the group consisting of pyridyl, pyrimidinyl and pyridazinyl, among which the phenyl group and the heterocyclic group being optionally substituted with not more than three substituents selected from the group consisting of lower alkyl, lower alkanoyl, lower alkyl-substituted silyl, halogen-substituted alkyl, di(lower)alkylamino, phenyl, phenyl(lower)alkyl, phenyl(lower)alkenyl, furyl(lower)alkyl, furyl(lower)alkenyl, halogen, nitro, cyano, --OR.sup.6 (in which R.sup.6 is hydrogen, lower alkyl, lower alkenyl, lower alkynyl, lower alkanoyl, phenyl, lower alkoxyphenyl, nitrophenyl, phenyl(lower)alkyl, cyanophenyl(lower)alkyl, benzoyl, tetrahydropyranyl, pyridyl, trifluoromethylpyridyl, pyrimidinyl, benzothiazolyl, quinolyl, benzoyl(lower)alkyl, benzenesulfonyl or lower alkylbenzenesulfonyl) and --CH.sub.2 --Z'---R.sup.7 (in which Z' is --O--, --S--, --SO-- or --NR-- (R being hydrogen or lower alkyl) and R.sup.7 is phenyl, halophenyl, lower alkoxyphenyl, pyridyl or pyrimidinyl);
• and Z is --CH.sub.2 --, --CH(OH)--, --CO-- , --O--, --S--, --SO--, --NR-- (R being hydrogen or lower alkyl), --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, ##STR55## --CH.sub.2 O--, --CH.sub.2 S--, --CH.sub.2 SO--, --OCH.sub.2 --, --SCH.sub.2 -- or --SOCH.sub.2 --.