Sulphonylation method and reagent useful for perhalogenated sulphanilide synthesis

Sulphonylation method and reagent useful for perhalogenated sulphanilide synthesis

  • CN 1,325,371 A
  • Filed: 11/04/1999
  • Published: 12/05/2001
  • Est. Priority Date: 11/04/1998
  • Status: Abandoned Application
First Claim
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1. , Sulphonylation method, it is characterized in that this method comprise nucleophilic atom wherein advantageously nitrogen nucleophilic reagent with in succession or the step that contacts of the reagent that adds simultaneously, this reagent comprises:

  • -heavy sulfonic acid halide (being the halogenide that ordination number equals chlorine at least), SULPHURYL CHLORIDE advantageously, and-contain be connected two atoms, wherein at least one atom is the organic bases of saturated non-metallic atom of the π

    key resonance of VB family atom,The organic moiety that its feature also is described alkylsulfonyl on the carbon of sulphur carrier band by perhalogeno, advantageously by perfluoro.

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