1-ARYL-1,4-DIHYDRO-4-OXO-5-CARBOXYPYRIDAZINE DERIVATIVES AND THEIR USE AS PLANT GROWTH REGULATORS AND HYBRIDIZING AGENTS

1-ARYL-1,4-DIHYDRO-4-OXO-5-CARBOXYPYRIDAZINE DERIVATIVES AND THEIR USE AS PLANT GROWTH REGULATORS AND HYBRIDIZING AGENTS

This invention relates to 1-aryl-1,4,-dihydro-4-oxo-5-carboxypyridazin derivatives of the formula wherein R1 is a (C1-C4) alkyl group, a phenyl group, a naphthyl group or a phenyl or napththyl group substituted with up to three substituents selected from the group consisting of halogen, nitro, triha...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: PATTERSON, DENNIS R
Format: Patent
Sprache:eng ; fre
Schlagworte:
AGRICULTURE
ANIMAL HUSBANDRY
BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES
CHEMISTRY
FISHING
FORESTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HUNTING
METALLURGY
NEW PLANTS OR PROCESSES FOR OBTAINING THEM
ORGANIC CHEMISTRY
PEST REPELLANTS OR ATTRACTANTS
PLANT GROWTH REGULATORS
PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF
TRAPPING
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Beschreibung
Zusammenfassung:This invention relates to 1-aryl-1,4,-dihydro-4-oxo-5-carboxypyridazin derivatives of the formula wherein R1 is a (C1-C4) alkyl group, a phenyl group, a naphthyl group or a phenyl or napththyl group substituted with up to three substituents selected from the group consisting of halogen, nitro, trihalomethyl, (C1-C4)alkoxy, (C1-C4)alkyl and cyano; R5 is a carboxy (COOH) group or an alkali metal salt thereof, a carbalkoxy (COOR) group or a carboxamide (CONRR) group wherein R is a (C1-C4)alkyl group and the agronomically acceptable acid addition salts thereof; and R6 is a (C1-C4)alkyl group, a phenyl group, a naphthyl group or a phenyl or naphthyl group substituted with up to three substituents selected from the group consisting of halogen, nitro, trihalomethyl, (C1-C4)alkoxy, (C1-C4)alkyl and cyano. These derivatives are not only useful as plant growth regulators and hybridizing agents for cereal crops but possess the additional utility of having an improved margin of safety as concerns plant injury and seed quality.