Process for production of 2-cyanoacrylates from 2,4-dicyanoglutarates

US4587059A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Hubert Harth · Goldkronach, DE
• Willi Wuest · Ratingen, DE
• Hans-Athanas Bruhn · Sehnde, DE
• Miklos Danielisz · Hannover, DE
• Erbo Heinrich · Wennigsen (Deister), DE

Key dates

• Filing date: Apr 4, 1984
• Grant date: May 6, 1986
• Expiry date: Apr 4, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C255/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for preparing monomeric 2-cyanoacrylates by reacting a dicyanoglutarate with formaldehyde in the presence of water and under acid pH conditions, then removing the water and thermolyzing the intermediate reaction product.