Process for the preparation of 3-cyano-4-aryl-pyrroles

A process for the preparation of a 3-cyano-4-arylpyrrole of the formula (I) in which Ar is optionally substituted heteroaryl or aryl, comprising reacting an alpha -cyanocinnamamide of the formula (II) with a sulphonylmethylisocyanide of the formula R-SO2-CH2-NC (III) in which R is alkyl, optionally...

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Bibliographische Detailangaben
Hauptverfasser:	WOLLWEBER, DETLEF
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:	A process for the preparation of a 3-cyano-4-arylpyrrole of the formula (I) in which Ar is optionally substituted heteroaryl or aryl, comprising reacting an alpha -cyanocinnamamide of the formula (II) with a sulphonylmethylisocyanide of the formula R-SO2-CH2-NC (III) in which R is alkyl, optionally substituted cycloalkyl or optionally substituted aryl, in the presence of a base and in the presence of a diluent. The products are known fungicides.