104040-75-7Relevant articles and documents
Preparation method N -methoxycarbonyl -3 -trifluoromethylpyridine -2 - sulfanilamide
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Paragraph 0022-0025; 0030; 0031-0032, (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.