Preparation of 3-sulphenylmaleimides

A process for the preparation of a 3-sulphenylmaleimide of the formula in which R1 is alkyl, or optionally substituted cycloalkyl or aralkyl, and R2 is optionally substituted alkyl, cycloalkyl, aryl or aralkyl, comprising reacting a 3-sulphenylsuccinimide of the formula with an equimolar amount of h...

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Bibliographische Detailangaben
Hauptverfasser:	ADLER, ALFONS, KUHLE, ENGELBERT
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-sulphenylmaleimide of the formula in which R1 is alkyl, or optionally substituted cycloalkyl or aralkyl, and R2 is optionally substituted alkyl, cycloalkyl, aryl or aralkyl, comprising reacting a 3-sulphenylsuccinimide of the formula with an equimolar amount of hydrogen peroxide in the presence of a lower alkanecarboxylic acid. The compounds are fungicidal and those are new where R2 is not alkyl, or where R1 is not alkyl while R2 is optionally substituted phenyl.