Preparation of 2,5-diloweralkyl-1.4:3,6-dianhydrosorbitols

US4659846A · kind A · utility

Assignee

• Rutgerswerke Aktiengesellschaft · DE

Inventors

• Manfred Maurer · Tauberbischofsheim, DE
• Winfried Orth
• Werner Fickert · Mannheim, DE

Key dates

• Filing date: May 2, 1986
• Grant date: Apr 21, 1987
• Expiry date: May 2, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D493/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

In a process for the preparation of 2,5-diloweralkyl-1,4; 3,6-dianhydrosorbitols by reacting 1,4;3,6-dianhydrosorbitol with an alkylating agent in an alkaline aqueous-organic solvent solution, the improvement comprising using a tertiary alkanol as the organic solvent.