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- Title
Synthesis and properties of oligo(2,5-thienylene-ethynylene)s.
- Authors
Meier, Herbert; Mühling, Bastian
- Abstract
Oligo(2,5-thienylene-ethynylene)s [OTE] are a class of conjugated oligomers with a high shapepersistence as rigid rods, which give these "molecular wires" interesting properties in materials science. The synthetic approach to OTEs is based on iterative Sonogashira-Hagihara reactions and possible end-cappings with certain functional groups or sub-structures. Special attention is focused on systems with terminal donor-acceptor substitution DAOTEs which exhibit an unusual absorption behavior. Increasing numbers of repeating units lead in OTEs to a convergent bathochromic effect; on the contrary, hypsochromic shifts can be observed for DAOTEs with a strong push-pull effect.
- Subjects
OLIGOPEPTIDES; OLIGOMERS; CELLULAR automata; CHEMICAL reactions; SYNTHETIC antigens; MOLECULAR structure; ABSORPTION; SUBSTITUTION reactions; CHROMIC materials
- Publication
ARKIVOC: Online Journal of Organic Chemistry, 2009, p57
- ISSN
1551-7004
- Publication type
Article