US 8,785,657 B2Granted

Processes for the preparation of pyrazoles

AssigneeSyngenta Crop Protection AG

InventorsMartin Charles Bowden, Brian David Gott, David Anthony Jackson, Iacob Eremia Gutu

Life of this patent

Estimating the term…

Abstract

The present invention relates to novel processes for the production of compounds of formula wherein Hal and Hal′ are independently selected from Cl and F, and R1 is selected from Cl, F and H.

Claims2

Dependent claims

A compound of formula (I)

wherein Hal and Hal′ are independently selected from Cl and F, and R1 is H.

Dependencies are inferred from the claim text.

Facts

Application: 13/621,686Filed 17 Sep 2012 · division
Priority: EP 0701254627 Jun 2007
Published: US 2013/0023668 A124 Jan 2013
Granted: 22 Jul 2014
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07C 251/76
Having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or to acyclic carbon atoms: to carbon atoms of a saturated carbon…
C07D 231/12
Having two or three double bonds between ring members or between ring members and non-ring members: with only hydrogen atoms, hydrocarbon or…
C07D 231/14
Having two or three double bonds between ring members or between ring members and non-ring members: with hetero atoms or with carbon atoms having…
C07C
Acyclic or carbocyclic compounds

Family

PCT/EP2008/004829Parent of this division · filed 16 Jun 2008
US 2013/0023668 A1Pre-grant publication · published 24 Jan 2013
Application12/666,179Parent of this division
US 8,269,020 B2Parent of this division
US 2010/0240907 A1Published application
US 8,785,657 B2This patent

From the US filing history. Foreign family members aren’t listed.

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