Side chain chlorination process of heterocycles

US4719298A · kind A · utility

Assignee

• Rutgerswerke Aktiengesellschaft · DE

Inventors

• Gunter Jeromin · Heidelberg, DE
• Winfried Orth
• Werner Fickert · Mannheim, DE

Key dates

• Filing date: Apr 18, 1986
• Grant date: Jan 12, 1988
• Expiry date: Apr 18, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D241/42
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A novel method of chlorinating the alkyl side chains of a nitrogen containing heterocyclic comprising reacting an alkyl substituted heterocycle with trichloroisocyanuric acid at temperatures of 20.degree. to 200.degree. C. to obtain the same in high yields.