Process for hydrolyzing 1,2,4-trihalobenzene

US9643909B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Gerald Schmelebeck · Buna, US
• Junmin JI · Beaumont, US
• Eric George Klauber · Bad Dürkheim, DE
• Michael Rack · Eppelheim, DE
• Thomas Zierke · Böhl-Iggelheim, DE
• Nicole Holub · Mannheim, DE
• David A. Cortes · Fairless Hills, US

Key dates

• Filing date: Sep 25, 2014
• Grant date: May 9, 2017
• Expiry date: Sep 25, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N37/40
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for providing a compound of formula (I):wherein Hal is a halogen, the process comprising the step of: reacting a compound of formula (II)wherein Hal is defined as above, with an alkali metal sulfite of the formula X2SO3 and an alkali metal hydroxide of the formula YOH, wherein X and Y are independently selected from an alkali metal.