Synthetic method of 2, 3, 5-trichloropyridine

Synthetic method of 2, 3, 5-trichloropyridine

  • CN 104,478,793 A
  • Filed: 11/20/2014
  • Published: 04/01/2015
  • Est. Priority Date: 11/20/2014
  • Status: Active Application
First Claim
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1. The synthetic method of 1.2,3,5-trichloropyridine, it comprises the following steps:

  • (1) hydrolysis of 2-chloropyridine I or alcoholysis reaction;

    under heating or reflux state, 2-chloropyridine I reacts with water or alcohols and generates intermediate 2-alkoxy pyridines III under base catalysis,

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