104040-76-8Relevant articles and documents
Preparation method N -methoxycarbonyl -3 -trifluoromethylpyridine -2 - sulfanilamide
-
, (2021/11/19)
The invention relates to a preparation method of N - methoxycarbonyl -3 -trifluoromethylpyridine -2 - sulfanilamide, and belongs to the technical field of organic synthesis. The preparation method comprises the following steps: preparing 3 -trifluoromethylpyridine -2 - sulfonyl chloride containing urea and acid. Methyl carbamate is obtained as a raw material, and then 3 - trifluoromethylpyridine -2 - sulfonyl chloride and methyl carbamate are used as raw materials to obtain N - methoxycarbonyl -3 - trifluoromethylpyridine -2 - sulfanilamide. The preparation method disclosed by the invention has the advantages of few reaction steps, simple reaction conditions and cheap and accessible raw materials.
N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-3-trifluoromethylpyridine-2-sulfonamide or salts thereof, herbicidal composition containing the same
-
, (2008/06/13)
N-[(4,6-Dimethoxypyrimidin-2-yl)aminocarbonyl]-3-trifluoromethylpyridine-2-sulfonamide or a salt thereof is disclosed. The compound of the invention is useful as a herbicide which has an extremely high herbicidal effect against a wide variety of weeds inc