Ruhrchemie Aktiengesellschaft

Eike Brundin

Hanswilhelm Bach

Wilhelm Gick

Helmut Springer

Wolfgang Bernhagen

Adolf Hack

A process for the preparation of 2-methylene aldehydes is disclosed wherein formaldehyde is reacted with an aldehyde of the general formula R--CH.sub.2 CHO, where R stands for a substituted or unsubstituted organic radical having from 2 to 12 carbon atoms. The reaction takes place in the presence of a mixture of a secondary amine and an organic carboxylic acid having up to 5 carbon atoms.

Process for the preparation of 2-methylene aldehydes

A process for preparing methacrolein by catalytic reaction of propionaldehyde with formaldehyde is disclosed wherein the catalyst comprises a mixture of secondary amine and organic carboxylic acid with up to 8 carbon atoms.

Growing community of inventors

Dinslaken, Germany

Eike Brundin