abstract |
The invention discloses a method for synthesizing substituted 1-sulfonyl-1H-pyrazole, and aims to provide a method for synthesizing 1-sulfonyl-1H-pyrazole with simple and easy-to-obtain starting materials, high yield and convenient operation , the technical gist is to add sulfonylhydrazone, N,N-dimethylmalononitrile and Lewis acid catalysts to an organic solvent in sequence, and react under reflux conditions to obtain substituted 1-sulfonyl-1H-pyrazole; It belongs to the technical field of organic synthesis. |