4-alkylimidazole derivatives and their use as nitrification inhibitors

US4602927A · kind A · utility

Assignee

• BASF SE

Inventors

• Toni Dockner
• Ernst-Heinrich Pommer · Schifferstadt, DE
• Juergen Dressel · Schifferstadt, DE

Key dates

• Filing date: Aug 20, 1984
• Grant date: Jul 29, 1986
• Expiry date: Aug 20, 2004

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S71/902
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

4-Alkylimidazole derivatives of the formula I ##STR1## where R.sup.1 is C.sub.1 -C.sub.4 -alkyl, R.sup.2 is chlorine or bromine and R.sup.3 is an --OR.sup.4 or --NR.sup.5 R.sup.6 group in which R.sup.4 is C.sub.1 -C.sub.4 -alkyl, R.sup.5 is hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sub.6 is C.sub.1 -C.sub.4 -alkyl or is phenyl which is unsubstituted or substituted by 1 or 2 halogen atoms, and its salts, their preparation and their use as nitrification inhibitors.