%0 Journal Article
%T Synthesis and Molecular Structures of Two Novel ¦Ð-Conjugation Extended Dithia[3.3]metacyclophanes
%A Tetsuji Moriguchi
%A Daisuke Yakeya
%A Venkataprasad Jalli
%A Akihiko Tsuge
%A Kenji Yoza
%J Crystal Structure Theory and Applications
%P 1-10
%@ 2169-2505
%D 2017
%I Scientific Research Publishing
%R 10.4236/csta.2017.61001
%X Two novel dithia[3.3]metacyclophanes substituted with ethynyl groups were synthesized as small-sized metacyclophanes from the corresponding brominated dithia-metacyclophanes via C-C bond formation reaction. These compounds were characterized by using <sup>1</sup>H NMR, mass spectrometry and elemental analyses. The exact structures were determined by using X-ray diffraction analyses. X-ray diffraction analysis results revealed that these compounds have <em>anti</em> conformations because of existence of intermolecular ¦Ð-¦Ð interaction and some short contacts in the crystal. The long wavelength fluorescence was observed for one of the compound having a pyrene moiety in solid state because of the existence of the intermolecular ¦Ð-¦Ð interaction between two pyrene units.
%K Cyclophane
%K X-Ray Analysis
%K Suzuki Coupling
%K ¦Ð-Conjugation
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=74208