2,2-DISUBSTITUTED-PHENYLCARBOMOLYL-6-HYDROXY-M-DIOXIN-4-ONE DERIVATIVES

2,2-DISUBSTITUTED-PHENYLCARBOMOLYL-6-HYDROXY-M-DIOXIN-4-ONE DERIVATIVES

Compounds of the formula I (I) wherein R1 represents a phenyl group substituted by one or two members selected from the group consisting of halogen, alkyl having at most 3 carbon atoms, trifluoromethyl, nitro and cyano; and either (I) R2 represents an alkyl group having at most 5 carbon atoms and R3...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: E. BERIGER
Format: Patent
Sprache:eng
Schlagworte:
AGRICULTURE
ANIMAL HUSBANDRY
BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES
CHEMISTRY
FISHING
FORESTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HUNTING
METALLURGY
ORGANIC CHEMISTRY
PEST REPELLANTS OR ATTRACTANTS
PLANT GROWTH REGULATORS
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF
TRAPPING
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Beschreibung
Zusammenfassung:Compounds of the formula I (I) wherein R1 represents a phenyl group substituted by one or two members selected from the group consisting of halogen, alkyl having at most 3 carbon atoms, trifluoromethyl, nitro and cyano; and either (I) R2 represents an alkyl group having at most 5 carbon atoms and R3 represents a methyl group or (II) R2 and R3 together represent a tetramethylene or pentamethylene group; WITH THE PROVISO THAT, WHEN R2 and R3 both represent methyl groups or when R2 and R3 together represent a tetramethylene or pentamethylene group, R1 may not represent a 3-chlorophenyl, 4-chlorophenyl, 3,4-dichlorophenyl or 4-fluorophenyl group, possess valuable insecticidal properties.