Synthesis of crown-containing and related hetarylphenylacetylenes and acetylenyl dyesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:New 15(18)-crown-5(6)-containing and model methoxy-substituted 1-hetaryl-2-phenylacetylenes of the 4-pyridine and 2-benzothiazole series were synthesized using the addition of bromine to the ethylene fragment of the corresponding styrylheterocycles followed by dehydrobromination under the action of potassium tert-butoxide. The quaternization of the pyridylphenylacetylenes afforded new acetylenyl dyes. The structures of five synthesized compounds were determined by X-ray diffraction analysis.