Parasiticidal substituted hexahydro-1,2,4-triazinediones

US5214043A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Werner Lindner · Eppstein, DE
• Axel Haberkorn · Wuppertal, DE

Key dates

• Filing date: Jan 9, 1992
• Grant date: May 25, 1993
• Expiry date: Jan 9, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

For controlling parasitic protozoa and fish parasites, the novel :substituted hexahydro-1,2,4-triazinediones of the formula ##STR1## in which R.sup.1 represents a heteroaromatic radical which is bonded via carbon and is optionally substituted, PA0 X represents O, S, SO, SO.sub.2 or --CR.sup.5 (CN)--, PA0 R.sup.2 represents one or more identical or different radicals from the group consisting of hydrogen, halogen, nitro, alkyl, alkoxy, halogenoalkyl, halogenoalkoxy, alkylthio and halogenoalkylthio, PA0 R.sup.3 and R.sup.4, independently of one another, represent hydrogen, optionally substituted alkyl, alkenyl, alkinyl or aralkyl, and PA0 R.sup.5 represents hydrogen or alkyl, PA0 excepting compounds in which X represents --CR.sup.5 (CN)-- and PA0 R.sup.1 represents thienyl.