Method for synthesizing 2,6-dichlorobenzoxazole

Method for synthesizing 2,6-dichlorobenzoxazole

  • CN 101,372,480 A
  • Filed: 08/19/2008
  • Published: 02/25/2009
  • Est. Priority Date: 08/19/2008
  • Status: Active Grant
First Claim
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1. one kind 2, the synthetic method of 6-dichloro benzoxazole, it is characterized in that with 2-sulfydryl-6-Lv benzoxazole be raw material, with superpalite or two (trichloromethyl) carbonic ether is chlorizating agent, in the presence of solvent and catalyzer in 65~

  • 120 ℃

    of prepared in reaction 2,6-dichloro benzoxazole, wherein the mol ratio of raw material and chlorizating agent is 1;

    0.2~

    2.

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