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Photochromic coumarin spiropyrans

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

New photochromic spiropyrans (SPP) derived from 4-methyl-7-hydroxy-8-formylcoumarin have been synthesized. The effect of the heterene fragment on the spectral and photochromic properties of the SPP was examined. The photoproduct of the benzodithiolane SPP had the absorption with longest wavelength. Indoline SPP were found to have the most efficient photocoloring. Fluorescence of the cyclic form was found for the SPP.

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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 601–604, May, 1992

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Ivanitskii, V.V., Nikolaeva, O.G., Metelitsa, A.V. et al. Photochromic coumarin spiropyrans. Chem Heterocycl Compd 28, 503–506 (1992). https://doi.org/10.1007/BF00475244

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  • DOI: https://doi.org/10.1007/BF00475244

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