For producing halogen-N, the method for N- dimethyl benzylamine

For producing halogen-N, the method for N- dimethyl benzylamine

  • CN 105,026,359 B
  • Filed: 03/04/2014
  • Issued: 01/22/2019
  • Est. Priority Date: 03/06/2013
  • Status: Active Grant
First Claim
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1. one kind is for producing halogen-N, N- dimethyl benzylamine wherein halogen be chlorine or bromine method, this method passes through in one kindIn the presence of catalyst, with dimethylamine reduction amination halogen benzaldehyde, wherein to be chlorine or bromine carry out halogen, it is characterised in that this is anti-It should be in acid presence and 150 bars -250 bars of H2It is carried out under pressure, wherein the halogen benzaldehyde and dimethylamine are with mole of 1:

  • 2-5Than being reacted, wherein this method be 90 DEG C -120 DEG C at a temperature of carry out, wherein the catalyst be by from Ni orNi the or Co catalyst that the leaching of Co alloy generates is being selected from SiO2

    Al2O3, float stone, carbon group carrier on Ni or Co, be in boneThe form of frame catalyst, element Ni (Co) sponge, wherein element Ni (Co) sponge is selected from Ni oxide, Co oxide, thunderBuddhist nun'"'"'s nickel, thunder Buddhist nun'"'"'s cobalt, wherein the acid is selected from formic acid, acetic acid or propionic acid.

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