Conjugated push-pull salts derived from linear benzobisthiazole: preparation and optical properties
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Alexandra Čibová
,
Peter Magdolen
Abstract
A series of novel monomethylated salts derived from linear benzobisthiazole was prepared. The push-pull attributes of these new compounds are represented by a quaternised azolium cycle as the acceptor part at one end of the structure and the dialkylamino- or diarylamino-substituted benzene ring as the donor part at the opposite end. Both moieties are connected by a conjugated linker consisting of one or two double bonds. Such dipolar structures are promising candidates for non-linear optical materials. The quantum-chemical indices describing linear and non-linear optical properties were obtained from semi-empirical calculations. The relationships between the chemical structure and non-linear optical properties of the cations studied were obtained. Effective conjugation was confirmed by measuring the optical properties in the UV-VIS region.
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© 2012 Institute of Chemistry, Slovak Academy of Sciences
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Articles in the same Issue
- Professor Dr. Štefan Toma—excellent scientist and teacher—celebrates his 75th birthday
- Palladium-catalysed Claisen rearrangement of 6-allyloxypurines
- Applicability of photochemically generated pendant benzoyl peroxides in both “grafting from” and “grafting to” techniques
- Spectral characterisation of new organic fluorescent dyes with an alkoxysilane moiety and their utilisation for the labelling of layered silicates
- Substituted homoallenyl aldehydes and their derivatives. Part 1: Homoallenyl aldehydes and protected hydrazones
- Substituted homoallenyl aldehydes and their derivatives. Part 2: Azines
- Methyltrioxorhenium-catalysed oxidation of secondary amines to nitrones in ionic liquids
- Thiophenium-ylides: Synthesis and reactivity
- Aminohydroxylation of divinylcarbinol and its application to the synthesis of bicyclic hydroxypyrrolidine and aminotetrahydrofuran building blocks
- Novel quercetin derivatives: synthesis and screening for anti-oxidant activity and aldose reductase inhibition
- Total synthesis of N,O,O,O-tetraacetyl-d-ribo-phytosphingosine and its 2-epi-congener
- A concise synthesis of enantiomerically pure aroyl-l-alanines and dihydroaroyl-l-alanines
- Synthesis and properties of macrocyclic diazene switch with binaphthalene unit attached via acrylamide linkers
- Conjugated push-pull salts derived from linear benzobisthiazole: preparation and optical properties
- Effect of reactants’ concentration on the ratio and yield of E,Z isomers of isatin-3-(4-phenyl)semicarbazone and N-methylisatin-3-(4-phenyl)semicarbazone
