Patent Number: 7,232,927

Title: Preparation of mono-N-sulphonylated diamines

Abstract: The present invention relates to a process for preparing mono-N-sulphonylated diamines by reacting diamines with sulphonyl halides in the presence of water, base and organic solvents.

Inventors: Bosch; Boris Elmar (Koln, DE), Gerhartz; Frank (Leverkusen, DE)

Assignee: Lanxess Deutschland GmbH

International Classification: C07C 211/00 (20060101); C07C 273/00 (20060101)

Expiration Date: 2019-06-19 0:00:00