Patent Number: 7,102,016

Title: Preparation of 2,2'-di(3,4-ethylenedioxythiophene)s

Abstract: The invention relates to a process for preparing compounds of the general formula (I) ##STR00001## to novel compounds of this substance class and also to their use as important precursors or for preparing important precursors for .pi.-conjugated polymers.

Inventors: Reuter; Knud (Krefeld, DE)

Assignee: H. C. Starck GmbH

International Classification: C07D 409/00 (20060101); C08F 28/06 (20060101); C08G 75/00 (20060101)

Expiration Date: 9/05/02018