Synthesis, structures, and photochromic properties of N-aryl-3-indolylfulgides |
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| Authors: | S. K. Balenko V. P. Rybalkin N. I. Makarova S. O. Bezuglyi E. N. Shepelenko L. L. Popova V. V. Tkachev S. M. Aldoshin A. V. Metelitsa V. A. Bren’ V. I. Minkin |
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| Affiliation: | (1) Institute of Physical and Organic Chemistry, Southern Federal University, 194/2 prosp. Stachki, 344090 Rostov-on-Don, Russian Federation;(2) Southern Scientific Center, Russian Academy of Sciences, 41 ul. Chekhova, 344006 Rostov-on-Don, Russian Federation;(3) Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1 prosp. Akad. Semenova, 142432 Chernogolovka, Moscow Region, Russian Federation |
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| Abstract: | New 3-indolylfulgides, viz., 3-[1-(1-aryl-5-methoxy-2-methyl-1H-indol-3-yl)ethylidene]-4-(1-methylethylidene)tetrahydro-2,5-furandiones, were synthesized. These compounds were obtained as E-isomers, as demonstrated by X-ray diffraction, electronic spectroscopy, and 1H NMR spectroscopy. Fulgides exhibit photochromic properties in solution. The cyclic dihydrocarbazole photoisomers of indolylfulgides show fluorescence properties and are characterized by high thermal stability. Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 7, pp. 1417–1423, July, 2008. |
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| Keywords: | indoles fulgides synthesis X-ray diffraction study photochromism |
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