Simple synthesizing method of N-butyl-2,2,6,6-tetramethyl-4-piperylhydrazine

Simple synthesizing method of N-butyl-2,2,6,6-tetramethyl-4-piperylhydrazine

  • CN 106,631,991 A
  • Filed: 12/16/2016
  • Published: 05/10/2017
  • Est. Priority Date: 12/16/2016
  • Status: Active Application
First Claim
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1. a kind of N- butyl -2, the simple synthesis of 2,6,6- tetramethyl -4- piperidinamines, comprise the steps:

  • 1) in reaction bulb, 2,2,6,6- tetramethylpiperidones, n-butylamine and organic solvent are added, stirring and dissolving must mix moltenLiquid;

    2) in step

         1) add in mixed solution acetic acid as catalyst, it is uniformly mixed;

    3) metal hydride is dividedly in some parts to step

         2) in;

    4) water is added, is extracted with organic solvent;

    Organic phase is separated, is dried, vacuum distillation after precipitation, collection obtains N- butyl -2,2,6,6- tetramethyl -4- piperidinamines.

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