The synthesis of π-electron molecular rods with a thiophene or thieno[3,2-b]thiophene core unit and sulfur alligator clips

Autor:	Václav Dekoj, Ivo Starý, Jiří Svoboda, Arnošt Seidler, Irena G. Stará, Jaroslav Vacek, Jana Vacek Chocholoušová
Rok vydání:	2013
Předmět:	Organic Chemistry Bent molecular geometry Sonogashira coupling chemistry.chemical_element Conjugated system Photochemistry Biochemistry Sulfur Fluorescence spectroscopy Crystallography chemistry.chemical_compound Molecular wire chemistry Drug Discovery Thiophene Excitation
Zdroj:	Tetrahedron Letters. 54:2795-2798
ISSN:	0040-4039
DOI:	10.1016/j.tetlet.2013.03.084
Popis:	A series of short oligo( p -phenylene-ethynylene)- and oligo( p -phenylenevinylene)-type molecular rods with an electronically rich thiophene or thieno[3,2- b ]thiophene core unit and sulfur anchoring groups (AcS−, t -BuS−) at the termini have been synthesised using Sonogashira coupling or Horner–Wadsworth–Emmons ( E )-olefination methodology. The collection of linear/bent, conjugated/cross-conjugated systems has been characterised by UV–vis and fluorescence spectroscopy, optical/calculated HOMO–LUMO gaps and calculated excitation energies.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::fdef5ee358a333a19cf7c73467d0682c https://doi.org/10.1016/j.tetlet.2013.03.084 Zobrazit plný text záznamu Full Text from ScienceDirect