Synfacts 2006(9): 0896-0896  
DOI: 10.1055/s-2006-942040
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart · New York

Preparation of 5,7,12,14-Tetraarylpentacenes

Contributor(s): Timothy M. Swager, Julian M. W. Chan
N. Vets, H. Diliën, S. Toppet, W. Dehaen*
Katholieke Universiteit Leuven, Belgium
Further Information

Publication History

Publication Date:
23 August 2006 (online)

Significance

Several tetraaryl-substituted pentacenes were prepared via a short synthetic route involving an initial oxidative dimerization of 2-meth­yl-1,4-naphthoquinone, followed by nucleophilic addition of four aryl groups, and subsequent reduction using sodium hypophosphite and sodium iodide in acetic acid.