3.

Metacyclo[2](2,5)thiophenophanes with extended pi -systems

Thies Thiemann, Kazuya Arima, Taisuke Matsumoto,Yuang-Qiang Li, and Jesus Iniesta,

Org. Commun. (2008), 1:3 ; 54-61

1 Department of Molecular Science and Technology, Graduate School of Engineering Sciences, Kyushu University, 6-1, Kasuga-koh-en, Kasuga-shi, Fukuoka 816-8580, Japan

2 Institute of Materials Chemistry and Engineering, Kyushu University, 6-1, Kasuga-koh-en, Kasuga-shi, Fukuoka 816-8580, Japan

3 Department of Physical Chemistry, University of Alicante, 03080 Alicante, Spain

Abstract: 12,13-Dibromometa[2](2,5)thiophenophane was subjected to Suzuki-Miyaura cross coupling to yield 12,13-diarylmeta[2](2,5)thiophenophanes, cyclophanes with extended p -systems.

Keywords: Cyclophane; m etacyclophane; t hiophenophane; Suzuki cross-coupling.