Heterocyclic compounds

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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C514S333000, C514S340000, C514S342000, C544S055000, C544S096000, C544S238000, C544S242000, C544S333000, C544S334000, C544S336000, C544S409000, C546S256000, C546S270700, C546S271400, C546S274700, C546S279100, C548S127000, C548S131000, C548S134000, C548S136000, C548S143000, C548S146000, C548S193000, C548S214000

Reissue Patent

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RE039140

ABSTRACT:
Novel heterocyclic compounds of the formulawherein, R1represents a hydrogen atom or an alkyl group, A represents an ethylene group which may be substituted by alkyl or a trimethylene group which may be substituted by alkyl, X represents an oxygen or sulfur atom or the groupin which R2represents a hydrogen atom of an optionally substituted alkyl, an alkenyl, an alkynyl or an acyl group, and R3represents a hydrogen atom or an alkyl group, and Z represents an optionally substituted 5- or 6-membered heterocyclic group which contains at least two hetero atoms selected from oxygen, sulfur and nitrogen atoms, or an optionally substituted 3- or 4-pyridyl group.The above defined novel heterocyclic compounds of formula (I) exhibit powerful insecticidal properties.

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