Patent · US Expired

Herbicidal pyrimidine derivatives

US4941910A · kind A · utility

4Cited by

1References

7Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Klaus-Helmut Muller · Düsseldorf, DE
Joachim Kluth · Langenfeld, DE
Klaus Tietjen · Langenfeld, DE
Hans-Joachim Santel · Leverkusen, DE
Robert R. Schmidt · Cologne, DE
Harry Strang · Goldkronach, DE

Key dates

Filing date	Mar 10, 1989
Grant date	Jul 17, 1990
Priority date	—
Expiry date	Mar 10, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D239/56
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Herbicidal pyrimidine derivatives of the formula ##STR1## in which R.sup.1 stands for optionally substituted alkyl, PA0 R.sup.2 stands for an optionally substituted radical from the group consisting of alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heteroaryl and heteroarylalkyl, and PA0 stands for halogen, amino, cyanoamino or for an optionally substituted radical from the series comprising alkoxy, alkylthio, alkylamino and dialkylamino. Intermediates of the formula ##STR2## in which R.sup.3 is optionally substituted alkyl or benzyl, and n is 0 or 2, are also new.

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