Method for preparing 1-halogenated-1-alkyne

Method for preparing 1-halogenated-1-alkyne

  • CN 105,198,695 A
  • Filed: 06/30/2014
  • Published: 12/30/2015
  • Est. Priority Date: 06/30/2014
  • Status: Active Application
First Claim
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1. a preparation method for 1-halo-1-alkynes, is characterized in that, comprise the following steps:

  • S1, to be added to by 1,2-dihalo alkane in the first mineral alkali/polar organic solvent mixing solutions of temperature >

    =100 DEG C, reaction generates 1-alkynes, and collects described 1-alkynes;

    S2, halogen is added to the second inorganic alkali solution, and add described 1-alkynes wherein, desolvation after reaction, obtains described 1-halo-1-alkynes.

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