申请人:DowElanco
公开号:US05602075A1
公开(公告)日:1997-02-11
Substituted N-aryl[1,2,4]triazolo[1,5-a]-pyrazine-2-sulfonamide compounds, such as 5-bromo-N-(2,6-dichlorophenyl)-8-methoxy[1,2,4]triazolo[1,5-a]-pyrazine-2- sulfonamide, were prepared by condensation of a substituted 2-chlorosulfonyl[1,2,4]triazolo[1,5-a]pyrazine compound, such as 5-bromo-2-chlorosulfonyl-8-methoxy[1,2,4]triazolo[1,5-a]pyrazine with a substituted arylamine compound, such as 2,6-dichloroaniline, and found to possess herbicidal utility.
已制备出取代N-芳基[1,2,4]三唑并[1,5-a]-吡嗪-2-磺酰胺化合物,例如5-溴-N-(2,6-二氯苯基)-8-甲氧基[1,2,4]三唑并[1,5-a]-吡嗪-2-磺酰胺,通过将取代的2-氯磺酰基[1,2,4]三唑并[1,5-a]吡嗪化合物(例如5-溴-2-氯磺酰基-8-甲氧基[1,2,4]三唑并[1,5-a]吡嗪)与取代的芳胺化合物(例如2,6-二氯苯胺)缩合而制得,并发现具有除草作用。