Synthesis of donor-acceptor substituted quinonemethide imines for nonlinear optical materials
β Scribed by Takahito Itoh; Hiroaki Iwayama; Shouji Iwatsuki
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 337 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0143-7208
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π SIMILAR VOLUMES
Heterocyclic 1,3,4-oxadiazole moiety has been used as a new p-conjugation relay to prepare a number of donor-acceptor molecules carrying a p-electron-rich aromatic ring as a donor and either a p-nitrophenyl or a pyridine/pyridinium ring as an acceptor. Several of these oxadiazoles display significan
Whereas commonly studied organic inolecules for nonlinear optics contain an electron-donor group D and an electron-acceptor group A linked by a K-conjugated system, we now report the behaviour of some molecules in which a rigid, saturated hydrocarbon bridge separates D and A groups by at least three