Synfacts 2007(8): 0814-0814  
DOI: 10.1055/s-2007-968778
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart · New York

Tetracene Sulfoxides and Sulfones via a Cascade Cyclization

Contributor(s): Timothy M. Swager, Eric L. Dane
Y.-C. Lin, C.-H. Lin*
Academia Sinica, Nankang, Taiwan
Further Information

Publication History

Publication Date:
24 July 2007 (online)

Significance

The authors report an unconventional synthesis of tetracene derivatives through the cyclization of ortho-diallene intermediates. They also report a one-pot synthesis of tetracene sulfoxide 3 (R1 = R2 = H) from the dialdehyde and lithium phenyl acetylide in 22% yield.