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Processes for the preparation of pesticidal compounds

  • US 9,255,083 B2
  • Filed: 05/21/2015
  • Issued: 02/09/2016
  • Est. Priority Date: 10/17/2013
  • Status: Expired due to Fees
First Claim
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1. A process comprising:

  • (a) reacting 3-hydrazinopyridine dihydrochloride with glyoxylic acid to yield (E)-2-(2-(pyridin-3-yl)hydrazono)acetic acid (6a)

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