142231-67-2Relevant academic research and scientific papers
Synthesis of 1-Aryl-5-arylazo-3-phenylsulfonylpyrazol-4-ols from 1-Chloro-3-phenylsulfonyl-2-propanone
Takahashi, Masahiko,Oshida, Takeshi
, p. 543 - 545 (2007/10/02)
Treatment of 1-chloro-3-phenylsulfonyl-2-propanone (2) with arenediazonium chlorides gave 1-arylhydrazono-3-chloro-1-phenylsulfonyl-2-propanones 4, which were cyclized in the presence of sodium acetate to 1-aryl-3-phenylsulfonylpyrazol-4-ols 5B.Further tr
