Synthesis, fluorescent properties and aggregation of 2,3-dihydroisoindolenylcalix[4]arenes |
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| Authors: | R. V. Rodik V. Yu. Malytskyi V. S. Starova T. V. Yegorova A. I. Kysil O. A. Zaporozhets Z. V. Voitenko V. I. Kalchenko |
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| Affiliation: | 1. Institute of Organic Chemistry of the National Academy of Sciences of Ukraine, Murmanska str. 5, Kiev, 02660, Ukraine
2. Chemical Department, Taras Shevchenko National University of Kyiv, Volodymyrska str. 64, Kiev, 01601, Ukraine
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| Abstract: | New derivatives of calix[4]arenes, containing two isoindole fragments in distal positions of the macrocycle upper rim were synthesized. According to NMR and molecular modeling data, the obtained calixarenes exist in “flattened cone” conformation with inclination angles of benzene rings to the macrocycle plane equal to 133–140° and 92–100°. Fluorometric studies showed the presence of self-aggregation of isoindolenylcalixarenes in acetone solutions starting from micromolar concentrations. |
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