Process for the preparation of (formylmethyl)malononitrile Di(C1-C4 alkyl) acetal compounds

There is provided a process for the preparation of 2-halopyrrole-3-carbonitrile compounds (I) which are useful as insecticidal, acaricidal and molluscicidal agents. wherein X is Cl or Br. Furthermore, a process for the preparation of intermediates (II) is disclosed. wherein R is C1-C4 alkyl.a

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Bibliographische Detailangaben
1. Verfasser:	GREGORY THOMAS LOWEN
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS 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:	There is provided a process for the preparation of 2-halopyrrole-3-carbonitrile compounds (I) which are useful as insecticidal, acaricidal and molluscicidal agents. wherein X is Cl or Br. Furthermore, a process for the preparation of intermediates (II) is disclosed. wherein R is C1-C4 alkyl.a