Heterocyclic thiazole compounds

A method of combating insects which comprises applying to said insects or to an insect habitat an insecticidally effective amount of a compound of the formula ##STR688## in which R.sup.1, R.sup.2, R.sup.5 and R.sup.6 independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms,

• Y represents a nitrogen atom or ##STR689## R.sup.9 represents a hydrogen atom, a halogen atom, a hydroxy group, an alkoxy group having 1 to 4 carbon atoms, a benzyloxy group, an alkyl group having 1 to 4 carbon atoms which may be substituted by at least one member selected from the group consisting of halogen atoms, a hydroxy group, alkoxy groups having 1 to 2 carbon atoms,
• alkylthio groups having 1 to 2 carbon atoms a cyano group, mono- of di-alkylamino groups, alkylcarbonyl groups having an alkyl with 1 to 2 carbon atoms, alkoxycarbonyl groups having an alkoxy with 1 to 2 carbon atoms and phenoxycarbonyl groups, an alkenyl group having 2 to 3 carbon atoms which may be substituted by a halogen atom, or represents an alkynyl group, having 2 to 3 carbon atoms, a phenyl group which may be substituted by an alkyl group and/or a halogen atom,
• an alkylcarbonyl group having an alkyl with 1 to 4 carbon atoms which may be substituted by a halogen atom, an alkenylcarbonyl group,
• a benzoyl group which may be substituted by at least one member selected from the group consisting of halogen atoms, alkyl groups and alkoxy groups,
• an alkoxycarbonyl group which may be substituted by a halogen atom,
• an alkylthiocarbonyl group having an alkyl with 1 to 4 carbon atoms,
• a phenoxycarbonyl group which may be substituted by at least one member selected from the group consisting of halogen atoms, alkyl groups and a nitro group,
• a phenylthiocarbonyl group which may be substituted by an alkyl group and/or a halogen atom, a benzyloxycarbonyl group,
• a benzoylaminocarbonyl group which may be substituted by an alkyl group and/or a halogen atom,
• a phenylsulfonylaminocarbonyl group which may be substituted by an alkyl group and/or a halogen atom, an alkylsulfonylaminocarbonyl group having an alkyl with 1 to 4 carbon atoms,
• an alkylthio group having 1 to 4 carbon atoms,
• an alkylsulfonyl group which may be substituted by a halogen atom,
• a phenylthio group which may be substituted by an alkyl group and/or a halogen atom,
• a phenylsulfonyl group which may be substituted by an alkyl group and/or a halogen atom,
• in addition, R.sup.9 may form a bis-form of the formula (I), via a methylene group,
• R represents a hydrogen atom or an alkyl group, and
• Z represents a heterocyclic radical selected from the group consisting of pyridyl, pyrazolyl, isoxazolyl, thiazolyl, thiadiazolyl, pyrimidinyl, pyrazinyl, pyridazinyl, triazinyl, tetrazinyl, furyl, furfuryl, thienyl, imidazolyl, tetrahydrofurfuryl, thienyl, pyrrolyl, oxazolyl, triazolyl, oxadiazolyl, dioxolanyl, oxazolinyl, isothiazolyl, tetrahydrofuryl, tetrahydrothienyl, pyrrolidinyl, oxathiolanyl, dithiolanyl, thiazolidinyl, dihydrothiophenyl, isoxazolinyl, thiazolinyl, oxazolidinonyl, and oxazolanyl and, which may be substituted by at least one member selected from the group consisting of halogen atoms, alkyl groups having 1 to 4 carbon atoms, haloalkyl groups, a nitro group, a cyano group, alkoxy groups having 1 to 4 carbon atoms, alkylthio groups having 1 to 4 carbon atoms,
• alkylsulfinyl groups having 1 to 4 carbon atoms,
• alkylsulfonyl groups having 1 to 4 carbon atoms,
• alkenyl groups having 2 to 3 carbon atoms,
• haloalkoxy group, haloalkylthio groups,
• haloalkenyl groups, acylamino groups,
• haloalkylcarbonylamino groups,
• alkoxycarbonyl groups having 1 to 4 carbon atoms, a thiocyanato group, alkynyl groups having 2 to 4 carbon atoms, an amino group, alkylamino groups,
• dialkylamino groups, a carboxy group, a hydroxy group, a mercapto group, cycloalkyl groups having 3 to 7 carbon atoms, an oxo group, a thioxo group, halolkenythio groups, alkoxyalkyl groups having 2 to 4 carbon atoms, alkoxycarbonylamino groups, a carbamoyl group, alkylcarbonyl groups,
• alkylaminocarbonyl groups having an alkyl with 1 to 2 carbon atoms, dialkylaminocarbonyl groups having an alkyl with 1 to to carbon atoms, a formyl group, aryl groups optionally substituted by a substituent selected from the group consisting of halogen atoms, alkyl groups,
• halogenoalkyl groups, alkoxy groups, a nitro group and a cyano group, aryloxy groups optionally substituted by a substituent as shown for the above aryl groups, and
• aralkyl groups optionally substituted by the same substituent as that shown for the aryl groups, unless otherwise specified alkyl alone or in a combination term representing alkyl of 1 to 4 carbon atoms, and unless otherwise specified aryl alone or in a combined term representing a carbocyclic ring of 6 to 10 carbon atoms.