Hydroxyquinoline carbamates and n-oxide hydroxyquinoline carbamates and their use as insecticides

US4168311A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Adolf Studeneer · Kelkheim, DE
• Gerhard Salbeck · Hofheim, DE
• Ludwig Emmel · Bad Vilbel, DE
• Werner Knauf · Liederbach, DE

Key dates

• Filing date: Jun 20, 1977
• Grant date: Sep 18, 1979
• Expiry date: Jun 20, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D221/16
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Hydroxypyridine carbamates of the formula ##STR1## wherein R.sub.1 to R.sub.5 as defined below are valuable insecticides and particularly aphicides and Compounds of the formula ##STR2## wherein one of R'.sub.1 and/or R'.sub.3 are substituted carbamoyl and the other is preferably hydrogen or methyl, R'.sub.2 is a variety of substituents among which is hydrogen and acetyl, and R'.sub.3 and R'.sub.4 preferably form together a saturated or unsaturated C.sub.4 -chain which may be substituted, are valuable aphicides.