N-Pteridinyl-ureas

US4509972A · kind A · utility

Assignee

• Celamerck GmbH & Co. KG · DE

Inventors

• Rudolf Mengel · Ingelheim am Rhein, DE
• Ludwig Schroder · Ingelheim am Rhein, DE
• Werner Stransky · Gau-Algesheim, DE
• Gerbert Linden · Ingelheim am Rhein, DE
• Gerhart Schneider · Königstein, DE
• Sigmund Lust · Darmstadt, DE

Key dates

• Filing date: Mar 28, 1983
• Grant date: Apr 9, 1985
• Expiry date: Mar 28, 2003

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D475/08
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the formula ##STR1## wherein R, R.sub.1, R.sub.2 and R.sub.3 are substituents of diverse types, and salts thereof. The compounds as well as their salts are useful as herbicides.