Process for the preparation of macrocyclic esters

US6458972B1 · kind B1 · utility

Assignee

• Haarmann & Reimer Corporation · DE

Inventors

• Horst Surburg · Holzminden, DE
• Dirk Müller · Essen, DE
• Stephan Klein · Mettmann, DE
• Christine Mendoza-Frohn · Erkrath, DE
• Georg Ronge · Mülheim an der Ruhr, DE
• Kai Verkerk · Hilden, DE

Key dates

• Filing date: Aug 21, 2001
• Grant date: Oct 1, 2002
• Expiry date: Aug 21, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D321/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Macrocyclic ester compounds can be prepared from oligoesters by thermal cleavage in the presence of a thermostable benzene derivative.