Process for the purification of epoxides

US4369096A · kind A · utility

Assignees

• BAYER HEALTHCARE LLC · DE
• Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler

Inventors

• Hermann Seifert · Bensberg, DE
• Helmut Waldmann · Leverkusen, DE
• Rolf Wirthwein · Hanau, DE
• Willi Hofen · Rodenbach, DE

Key dates

• Filing date: Aug 18, 1980
• Grant date: Jan 18, 1983
• Expiry date: Aug 18, 2000

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D303/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process has been developed for the purification of expoxides containing carbonyl compounds as impurities wherein the carbonyl compound content is up to 2% by weight of epoxide. Purification is effected by treatment with compounds containing at least one NH.sub.2 group.