Patent · US Expired

Herbicidal substituted 5-amino-1-aryl-pyrazoles

US4695308A · kind A · utility

9Cited by

0References

8Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Reinhold Gehring · Wuppertal, DE
Markus Lindig · Hilden, DE
Otto Schallner · Monheim, DE
Hans-Joachim Santel · Leverkusen, DE
Robert R. Schmidt · Cologne, DE
Jorg Stetter · Wuppertal, DE

Key dates

Filing date	Oct 30, 1986
Grant date	Sep 22, 1987
Priority date	—
Expiry date	Oct 30, 2006

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F9/65031
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Herbicidally active substituted 5-amino-1-aryl-pyrazoles of the formula ##STR1## in which R represents hydrogen, cyano, nitro or alkoxycarbonyl, PA1 R.sup.1 represents hydrogen or alkyl, PA1 R.sup.2 and R.sup.3 independently of one another in each case represent alkyl, alkenyl, alkinyl, halogenoalkyl, alkoxyalkyl, cycloalkyl, alkoxy or cycloalkoxy, or represent in each case optionally substituted aryl, aryloxy, aralkyl or aralkyloxy, PA1 X represents oxygen or sulphur and PA1 Ar represents in each case optionally substituted phenyl or pyridyl, or salts thereof.

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