Zdenko Časar, Dominique Lorcy*
Synth?se et Electrosynth?se Organiques, UMR 6510, Université de Rennes I, Campus de Beaulieu, 35042 Rennes cedex, France
 
Ivan Leban
Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, 1000 Ljubljana, Slovenia

Alenka Majcen-Le Maréchal
University of Maribor, Smetanova 17, 2000 Maribor, Slovenia.
 
Abstract
A novel approach to electron rich olefins such as dibenzodithiadiazafulvalenes (DTDAFs) is reported. These compounds have been prepared by alkylation of the benzothiazole-2-thione ring. The first crystal structure of the N,N’-dimethyl dibenzoDTDAF dication is also reported.