1446786-85-1Relevant articles and documents
An unusual substitution reaction of an aromatic sulfonic group based on 3-carbonyl-4-phenolsulfonic acid
Wang, Yun-Ming,Tang, Bing-Tao,Ma, Wei,Zhang, Shu-Fen,Zhao, De-Feng
, p. 613 - 616 (2013/07/27)
An unusual substitution reaction of an aromatic sulfonic group based on 3-carbonyl-4-phenolsulfonic acid was discovered in a diazo-coupling process. The reaction occurred under mild reaction conditions (pH 8.0-9.0, 0-5 C, solvent: water) within a short reaction time (1 h). A plausible substitution reaction mechanism by phenol-ketone resonance was proposed.