Dihalogenobenzene derivatives

US5279764A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Volker Reiffenrath · Roßdorf, DE
• Joachim Krause · Dieburg, DE
• Georg Weber · Langen (Hessen), DE
• Ulrich Finkenzeller · Plankstadt, DE
• Andreas Wachtler · Griesheim, DE
• Thomas Geelhaar · Mainz, DE
• David Coates · Bishop's Stortford, GB
• Ian C. Sage · Broadstone, GB
• Simon Greenfield · Poole, GB

Key dates

• Filing date: Nov 23, 1992
• Grant date: Jan 18, 1994
• Expiry date: Nov 23, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2019/0444
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to dihalogenobenzene derivatives of the formula I EQU R.sup.1 --A.sup.1 --Z.sup.1 --A.sup.2 --(Z.sup.2 --A.sup.3).sub.n --R.sup.2 wherein R.sup.1, R.sup.2, A.sup.1, A.sup.2, A.sup.3, Z.sup.1, Z.sup.2 and n are as defined in the specification.