申请人:E. I. Du Pont de Nemours and Company
公开号:US04715885A1
公开(公告)日:1987-12-29
Pyrazole sulfonylureas are expected to show pre- and post-emergence herbicidal activity. Specifically preferred in this class of compounds is N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-4,6-dihydro-2-methyl-4-oxo- 2H-furo[3,4-c]pyrazole-3-sulfonamide.
吡唑磺酰脲类化合物预计具有前期和后期除草活性。在这类化合物中,特别偏爱的是N-[(4,6-二甲氧基嘧啶-2-基)氨基甲酰]-4,6-二氢-2-甲基-4-氧基-2H-呋喃[3,4-c]吡唑-3-磺酰胺。