E. Dikusar, E. A. Akishina, S. Stepin, L. N. Filippovich, N. V. Bogdanova, S. N. Shahab, V. Potkin
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Novel derivatives of atophan (2-phenylquinoline-4-carboxic acid)
Acylation of substituted hydroxybenzaldehydes with hydrochloride of atophane acylchloride in dichloromethane in the presence of triethylamine gave esters, capable of forming (E)-azomethines when condensed with amines (4-aminoazobenzene, 4-aminoantipyrine) in methanol. In addition, an ester of atophane with a natural fragment of curcumin was obtained. Films based on (E)-azomethine with an azobenzene fragment were found to have a high polarizing ability.
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