Patent · US Expired

4-trifluoromethylpyrazolyl-substituted pyridines and pyrimidines

US7211673B2 · kind B2 · utility

1Cited by

3References

3Claims

0Family size

Assignee

BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

Michael Gerhard Hoffmann · Konstanz, DE
Hendrik Helmke · Liederbach, DE
Lothar Willms · Hillscheid, DE
Thomas Auler · Bad Soden, DE
Hermann Bieringer · Eppstein, DE
Hubert Menne · Hofheim, DE

Key dates

Filing date	Jan 5, 2006
Grant date	May 1, 2007
Priority date	—
Expiry date	Jan 5, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D417/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A description is given of 4-trifluoromethylpyrazolyl-substituted pyridines and pyrimidines of formula (I) and of their use as herbicides.In this formula (I) R1, R2, R3 and R4 are various radicals, A is an aromatic or heteroaromatic radical, and Z is a nitrogen or carbon atom.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.