Process for preparing fluoxastrobin

  • US 9,193,698 B2
  • Filed: 07/03/2014
  • Issued: 11/24/2015
  • Est. Priority Date: 07/08/2013
  • Status: Active Grant
First Claim
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1. A process for preparing fluoxastrobin, comprising:

  • (i) reacting benzofuran-3(2H)-one O-methyl oxime (10) with an alkyl nitrite in the presence of an acid to form (3E)-2,3-benzofuran-dione O3-methyl dioxime (11A) as a predominant isomer;

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