Process for the preparation of 1,4-diazabicyclo-(2,2,2)-octane

US4289881A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Laszlo Imre
• Walter Horstmann · Bensberg, DE
• Hans Leopold · Cologne, DE

Key dates

• Filing date: Oct 15, 1979
• Grant date: Sep 15, 1981
• Expiry date: Oct 15, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D487/08
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the preparation of 1,4-diazobicyclo-(2,2,2)-octane by contacting piperazine with a catalyst at an elevated temperature, the catalyst containing silicon dioxide.