1393673-11-4Relevant articles and documents
Highly flexible π-expanded cyclooctatetraenes: Cyclic thiazole tetramers with head-to-tail connection
Mouri, Kazuhiro,Saito, Shohei,Yamaguchi, Shigehiro
supporting information; experimental part, p. 5971 - 5975 (2012/07/30)
Flipping fast: Head-to-tail cyclic thiazole tetramers representing flexible π-expanded cyclooctatetraenes were designed and synthesized (see picture). The presence of fused thiazole rings in a head-to-tail arrangement leads to a strong columnar stacking of the shallow saddle-shaped π-conjugated molecules, an unusually low inversion barrier of 6.8kcal mol-1, and reduction-induced complete planarization to an aromatic ring system. Copyright
