2-(Dicyanomethylene)-1,3-dithiolo(4,5-b)pyrazine-5,6-dicarbonitrile is prepared by reacting di(sodiomercapto)methylenemalononitrile with 2,3-dichloro-5,6-dicyanopyrazine in dimethylformamide as reaction medium at a temperature between about 25.degree. and about 60.degree. C until reaction is substantially complete. The reaction product has antimicrobial utility.
[EN] SUBSTITUTED 1,3-DITHIOLE DERIVATIVES AND THEIR USE AS FUNGICIDES<br/>[FR] DÉRIVÉS DE 1,3-DITHIOLE SUBSTITUÉS ET LEUR UTILISATION COMME FONGICIDES
申请人:BASF SE
公开号:WO2015150343A1
公开(公告)日:2015-10-08
The present invention relates to thiolo[4,5-b]pyrazines of formula I and the salts thereof and the use of these compounds for combating phytopathogenic fungi, and to seeds coated with at least one such compound.