New push–pull system based on 4,5,6-tri(het)arylpyrimidine containing carbazole substituents: synthesis and sensitivity toward nitroaromatic compounds
2018
A sequence of microwave-assisted Suzuki cross-coupling reaction and bromination with N-bromosuccinimide was used for the synthesis of 3,3'-(5,5'-{5-[5-(9-ethyl-9H-carbazol-3-yl)-3-hexylthiophen-2-yl]pyrimidine-4,6-diyl}bis(thiophene-5,2-diyl))bis(9-ethyl-9H-carbazole). The obtained compound was characterized with regard to its optical properties, as well as possible applications in sensors for nitroaromatic compounds in acetonitrile solutions and in vapor phase.
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