Condensed heterocyclic derivatives and agricultural or horticultural fungicides containing the same

A condensed heterocyclic derivative represented by a formula:

• ##STR26## wherein R.sup.1 represents a C1-C6 alkyl group optionally having at least one substituent selected from the group consisting of a halogen atom, a cyano group, and a methoxy group, a C2-C6 alkenyl group, a C2-C6 alkynyl group, a C3-C8 cycloalkyl group optionally having at least one methyl group, a C3-C8 cycloalkenyl group optionally having at least one methyl group, a C2-C6 cyclic ether group optionally having at least one methyl group, a C7-C10 aralkyl group optionally having at least one substituent selected from the group consisting of a methyl group, a methoxy group, and a nitro group, a phenyl group optionally having at least one substituent selected from the group consisting of a halogen atom, a methyl group, a methoxy group, a nitro group, and a methoxycarbonyl group, a dimethylamino group, or an ethoxy carbonyl group,
• R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 independently represent a hydrogen atom, a C1-C6 alkyl group optionally having at least one halogen group, a C3-C6 cycloalkyl group, a C7-C10 aralkyl group;
• a phenyl group, a cyano group, an acyl group, a C1-C6 alkoxy group, or a C1-C6 alkoxycarbonyl group,
• R.sup.2 may form a C3-C6 alkylic ring with R.sup.3 ;
• Z is represented by the following formulae:
• ##STR27## wherein X represents a hydrogen atom, a halogen atom, a C1-C6 alkyl group optionally having at least one halogen atom, a C2-C6 alkynyl group, a methoxy group, a trifluoromethoxy group, a hydroxyl group, a methoxycarbonyl group, a methylcarbonyloxy group, an amino group, a dimethylamino group, a nitro group, a methylthio group, a methylsulfinyl group, a methylsulfonyl group, a phenyl group, an acetyl group, a formyl group, or a cyano group;
• n is an integer of 1, 2, or 3;
• A is O, S, N, or represented by the formula:
• ##STR28## wherein R.sup.7 represents a hydrogen atom, a methyl group, an acetyl group, or a benzoyl group;
• and
• W is represented by --C(O)--, --SO.sub.2 --, --NHC(O)--, --N(CH.sub.3)C(O)--, --OC(O)--, --SC(O)--, --OC(S)--, or --SC(S)--.