PROCESS FOR THE PREPARATION OF HALOGENOVINYL-SUBSTITUTED 2-TETRAHYDROFURANONES, SELECTED HALOGENOVINYL-SUBSTITUTED 2-TETRAHYDROFURANONES

PROCESS FOR THE PREPARATION OF HALOGENOVINYL-SUBSTITUTED 2-TETRAHYDROFURANONES, SELECTED HALOGENOVINYL-SUBSTITUTED 2-TETRAHYDROFURANONES

Halogenovinyl-substituted tetrahydrofuran-2-ones of the formula are prepared by reacting a peracid such as peracetic, perpropionic or m-chloroperbenzoic acid with a halogenvinyl-substituted cyclobutanene of the formula in which R1 to R8 can be hydrogen, halogen, cyano or various organic radicals, or...

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Bibliographische Detailangaben
Hauptverfasser: HUBNER, ARMIN, HEINE, HANS-GEORG, HARTMANN, WILLY
Format: Patent
Sprache:eng ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:Halogenovinyl-substituted tetrahydrofuran-2-ones of the formula are prepared by reacting a peracid such as peracetic, perpropionic or m-chloroperbenzoic acid with a halogenvinyl-substituted cyclobutanene of the formula in which R1 to R8 can be hydrogen, halogen, cyano or various organic radicals, or in pairs can make up a ring. Products wherein R3 is not hydrogen or R1 is not halogen are new. The products are useful as intermediates in making insecticides.