Synthesis and photochromic properties of 5-acetyl-substituted indolinospirochromenes |
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| Authors: | M. A. Gal'bershtam E. M. Bondarenko O. R. Khrolova G. K. Bolyleva Yu. B. Pod'yachev N. M. Przhiyalgovskaya N. N. Suvorov |
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| Affiliation: | (1) Scientific-Research Institute of Organic Intermediates and Dyes, 103787 Moscow;(2) D. I. Mendeleev Moscow Institute of Chemical Technology, 125047 Moscow |
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| Abstract: | ![]()
Four photochromic 5-acetyl-substituted indolinospirochromenes were synthesized. The introduction of an acetyl group does not change the spectral characteristics of the merocyanine form but leads to a decrease in the efficiency of photocoloring.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1654–1658, December, 1979Original article submitted January 9, 1979. |
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