Process for preparing isothiazolones

Details Process for preparing isothiazolones Process for preparing isothiazolones

C - Chemistry, Metallurgy

07

D

260/310.3

C07D 275/02 (2006.01) C07D 275/03 (2006.01)

Patent

CA 1325636

- i - PATENT APPLICATION OF: SOU JEN CHANG for PROCESS FOR PREPARING ISOTHIAZOLONES ABSTRACT OF THE DISCLOSURE The process involves the cofeeding of an acrylonitrile with an appropriate alcohol or its equivalent and a strong acid to form an acrylamide which is thiolated to form a mercapto-propionamide which is halogenated to afford the desired biocidally active isothiazo- lones. This invention relates to a novel process for preparing N- substituted 3-mercaptopropionamides, an intermediate in the prepara- tion of isothiazolones.

542636

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