Sulfur- and selenium-containing merocyanine dyes
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The corresponding merocyanine dyes were obtained by reaction of aminomethylene derivatives of 5-pyrazolone and 5-thio- and 5-selenopyrazolones with tetramethylindoleninium and phenanthridinium salts. Their UV spectra and the possibility of the formation of spiropyrans from them were studied.
KeywordsSulfur Organic Chemistry Aminomethylene Phenanthridinium Aminomethylene Derivative
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- 1.British Patent No. 519895; Chem. Abstr., 36, 715 (1942).Google Scholar
- 2.I. Ya. Kvitko and B. A. Porai-Koshits, Zh. Organ. Khim., 5, 1685 (1969).Google Scholar
- 3.B. A. Porai-Koshits and I. Ya. Kvitko, Zh. Organ. Khim., 5, 1279 (1969).Google Scholar
- 4.N. S. Loseva, V. P. Martynova, N. E. Shelepin, É. R. Zakhs, L. E. Nivorozhkin, V. I. Minkin, and L. S. Éfros, Khim. Geterotsikl. Soedin., 167 (1971).Google Scholar
- 5.K. V. Veksler, É. R. Zakhs, V. M. Treiger, and L. S. Éfros, Khim. Geterotsikl. Soedin., 447 (1971).Google Scholar
- 6.B. A. Porai-Koshits, I. Ya. Kvitko, and É. A. Shutkova, Khim.-Farmats. Zh., 19 (1970).Google Scholar
- 7.Yu. N. Koshelev, I. Ya. Kvitko, and E. D. Samartseva, Zh. Organ. Khim., 8, 2204 (1972).Google Scholar