Bis(difluoromethyl)pyrazoles as fungicides

Patent metadata

Field	Value
Publication number	US-9751871-B2
Application number	US-201615008557-A
Country	US
Kind code	B2
Filing date	Jan 28, 2016
Priority date	Dec 21, 2009
Publication date	Sep 5, 2017
Grant date	Sep 5, 2017

Abstract

Bis(difluoromethyl)pyrazole derivatives of the formula (I)

in which the symbols R 1 , X and G are each as defined in the description, and agrochemically active salts, metal complexes and N-oxides thereof, and use thereof for controlling phytopathogenic harmful fungi, and also processes for preparing compounds of the formula (I).

First claim

The invention claimed is:

1. A compound of formula (VIII)

wherein W 1 is [3,5 bis(difluoromethyl)-1H-pyrazol-1-yl]acetyl, and R 1 is hydrogen or halogen.

2. The compound of claim 1 , wherein the R 1 is hydrogen.

3. The compound of claim 1 , wherein the R 1 is halogen.

4. A reaction product formed by reacting the following reactants

and hydroxylamine, wherein
W 1 is [3,5 bis(difluoromethyl)-1H-pyrazol-1-yl]acetyl, and R 1 is hydrogen or halogen.

5. The reaction product of claim 4 , wherein the R 1 is hydrogen.

6. The reaction product of claim 4 , wherein the R 1 is halogen.

Assignees

• Bayer Ip Gmbh

Inventors

• Cristau Pierre
• Hoffmann Sebastian
• Kluth Joachim
• Tsuchiya Tomoki
• Wasnaire Pierre
• Benting Jurgen
• Portz Daniela
• Wachendorff-Neumann Ulrike
• Hillebrand Stefan

Classifications

• A01N35/10

  containing a carbon-to-nitrogen double bond · CPC title

• C07D417/14

  containing three or more hetero rings · CPC title

• C07D417/04 Primary

  directly linked by a ring-member-to-ring-member bond · CPC title

• A01N33/26

  containing nitrogen-to-nitrogen bonds, e.g. azides, diazo-amino compounds, diazonium compounds, hydrazine derivatives · CPC title

• A01N43/78 Primary

  1,3-Thiazoles; Hydrogenated 1,3-thiazoles · CPC title