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Upstream product

• 925901-21-9 2-bromo-1-phenyl-2-(toluene-4-sulfonyl)-butan-1-one 
• 31378-03-7 1-phenyl-2-tosylethanone 
• 111895-33-1 2-tosyl-1-phenyl-1-butanone 
• 125786-13-2 ethyl 2-tosyl-butyrate 
• 824-79-3 sodium 4-methylbenzenesulfinate 

Relevant academic research and scientific papers

Chemoselective mono halogenation of β-keto-sulfones using potassium halide and hydrogen peroxide; synthesis of halomethyl sulfones and dihalomethyl sulfones

The synthesis of α-halo β-keto-sulfones using potassium halide and hydrogen peroxide as a chemoselective mono halogenation reagent and the synthesis of α,α-symmetrical and asymmetrical dihalo β-keto-sulfones and α-halo, α-alkyl and β-keto-sulfones is described. Base induced cleavage of α-halo β-keto-sulfones, α,α-dihalo β-keto-sulfones, and α-halo, α-alkyl β-keto-sulfones afforded the corresponding halomethyl sulfones, dihalomethyl sulfones and haloalkyl sulfones.