METHOD FOR PRODUCING 3,4-DICHLORO-N-(2-CYANOPHENYL)-5-ISOTHIAZOLECARBOXAMIDE

The present invention relates to a novel, one-stage method for preparing and isolating 3,4-dichloro-N-(2-cyanophenyl)-5-isothiazolecarboxamide (isotianil), which has microbicidal and plant-fortifying (host defence inducer) properties. In the method according to the invention, the amount of waste fro...

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Bibliographic Details
Main Authors SANLI, Ali, LUDWIG, Juergen, LITTMANN, Martin, PABST, Kyra Larissa, SCHNATTERER, Albert, FARIDA, Taraneh
Format Patent
LanguageEnglish
Published 03.06.2021
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention relates to a novel, one-stage method for preparing and isolating 3,4-dichloro-N-(2-cyanophenyl)-5-isothiazolecarboxamide (isotianil), which has microbicidal and plant-fortifying (host defence inducer) properties. In the method according to the invention, the amount of waste from the production process (e.g. solvent) is significantly reduced. The product is provided in high yield and purity (minimal amount of by-products and impurities). Compared to existing preparation methods, the method according to the invention has the advantage of low corrosiveness and high yield and high selectivity.
Bibliography:Application Number: US201917045069