Imidazole derivatives as redox indicators

US4665023A · kind A · utility

Assignee

• Boehringer Mannheim GmbH · DE

Inventors

• Ulfert Deneke · Fürth, DE
• Werner Guthlein · Mannheim, DE
• Manfred Kuhr
• Hartmut Merdes · Heidelberg, DE
• Hans-Rudiger Murawski · Lampertheim, DE
• Hans Wielinger · Weinheim, DE

Key dates

• Filing date: Mar 29, 1985
• Grant date: May 12, 1987
• Expiry date: Mar 29, 2005

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T436/206664
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention provides imidazole derivatives of the general formula: ##STR1## wherein R, R.sub.1 and R.sub.2 are defined hereinbelow. The present invention is also concerned with processes for the preparation of these imidazole derivatives and with the use thereof as redox indicators.