N-cyanoaryl-nitrogen heterocycles

US5681794A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Roland Andree · Langenfeld, DE
• Mark Wilhelm Drewes · Langenfeld, DE
• Albrecht Marhold · Leverkusen, DE
• Hans-Joachim Santel · Leverkusen, DE
• Markus Dollinger · Leverkusen, DE

Key dates

• Filing date: Sep 30, 1994
• Grant date: Oct 28, 1997
• Expiry date: Sep 30, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D239/553
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to new N-cyanoaryl-nitrogen heterocycles of the general formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Z have the meanings given in the description, PA1 to a plurality of processes for their preparation, to their use as herbicides and to novel intermediates.