process for synthesizing an internal ketone k1, use of the internal ketone k1, and method for preparing a compound from an internal ketone k1

摘要

The present invention is directed to a process for synthesizing an internal ketone K1 by decarboxylating ketone reaction of a fatty acid, a fatty acid derivative or a mixture thereof in a liquid phase with a metal compound as catalyst in a reaction medium. said process being distinguished by the fact that a liquid ketone k2, which is identical or similar to the internal ketone k1, is introduced into the reaction medium. The internal ketone k1 thus synthesized may be used for the preparation of a variety of final compounds, including surfactants with a double-tailed or gemini structure.