Effect of aryl substituents on the rate of dark decolorization of photochromic spirochromenes of the indoline series |
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| Authors: | Gal'bershtam M A Przhiyalgovskaya N M Samoilova N P Braude E V Lazarenko I B Suvorov N N |
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| Institution: | (1) Scientific-Research Institute of Organic Intermediates and Dyes, 103787 Moscow;(2) D. I. Mendeleev Moscow Chemical-Engineering Institute, 125047 Moscow |
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| Abstract: | The introduction of aryl substituents in the 3 and 7 positions of the indoline spirochromene molecule gives rise to a certain amount of slowing down of dark decolorization in toluene and dioxane; similar changes in the 5, 6, and 8 positions do not change the rate appreciably.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 79–81, January, 1977. |
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