Processes for the preparation of pesticidal compounds

• US 9,085,564 B2
• Filed: 10/17/2014
• Issued: 07/21/2015
• Est. Priority Date: 10/17/2013
• Status: Expired due to Fees

• Current Assignee: Dow Agrosciences LLC (Corteva, Inc.)
• Original Assignee: Dow Agrosciences LLC (Corteva, Inc.)
• Inventors: Yang, Qiang, Lorsbach, Beth, Whiteker, Gregory T., DeAmicis, Carl, Gray, Kaitlyn, Zhang, Yu, Muhuhi, Joseck M.
• Primary Examiner(s): Morris, Patricia L
• Application Number:
  US14/517,595
• Publication Number:
  US 20150112075A1
• Time in Patent Office: 277 Days
• Field of Search: 548/372.5
• US Class Current: 1/1
• CPC Class Codes: A01N 43/56 1,2-Diazoles; Hydrogenated 1,2-diazoles
• CPC Class Codes: C07D 231/38 Nitrogen atoms nitro radicals C07D231/16
• CPC Class Codes: C07D 231/40 Acylated on said nitrogen atom
• CPC Class Codes: C07D 401/04 directly linked by a ring-member-to-ring-member bond
• CPC Class Codes: C07D 401/14 containing three or more hetero rings

Abstract

The present application provides processes for making pesticidal compounds and compounds useful both as pesticides and in the making of pesticidal compounds.

Claims

1. A process for the preparation of pesticidal thioethers (3a) useful in the preparation of pesticidal thioethers (3b), (3c) and pesticidal sulfoxides (3d),

2. A process according to claim 1 wherein R¹ is C₁-C₄ haloalkyl.

3. A process according to claim 1 wherein R¹ is CH₂CH₂CF₃.

4. A process according to claim 1 wherein R¹ is C₁-C₄ alkyl-C₃-C₆ halocycloalkyl.

5. A process according to claim 1 wherein R¹ is CH₂(2,2-difluorocyclopropyl).

6. A process according to claim 1, wherein R¹ is CH₂CH₂CF₃ and the activated carbonyl thioether X¹C(═

O)C₁-C₄-alkyl-S—

R¹ wherein X¹ is selected from Cl, OC(═

O)C₁-C₄ alkyl, or a group that forms an activated carboxylic acid is prepared from

7. A process according to claim 1, wherein R¹ is CH₂CH₂CF₃ and the activated carbonyl thioether X′

C(═

O)C₁-C₄-alkyl-S—

R¹ wherein X¹ is selected from Cl, OC(═

O)C₁-C₄ alkyl, or a group that forms an activated carboxylic acid is prepared from