Patent Number: 8,871,965

Title: Method for producing urethanes

Abstract: The content of the invention is a process for preparing urethanes by reaction of aromatic amines with a dialkyl carbonate, wherein the alkyl radical of the organic dialkyl carbonate comprises 4-18 carbon atoms and is branched in the 2 position, and the reaction is performed in the presence of a substoichiometric amount of base, based on the amino groups.

Inventors: Franzke; Axel (Mannheim, DE), Baumann; Robert (Mannheim, DE), Bock; Michael (Ruppertsberg, DE)

Assignee: BASF SE

International Classification: C07C 271/06 (20060101)

Expiration Date: 2018-10-28 0:00:00