Colorants (Jun 2023)

5′-Substituted Indoline Spiropyrans: Synthesis and Applications

  • Andrey A. Khodonov,
  • Nikolay E. Belikov,
  • Alexey Yu. Lukin,
  • Alexey V. Laptev,
  • Valery A. Barachevsky,
  • Sergey D. Varfolomeev,
  • Olga V. Demina

DOI
https://doi.org/10.3390/colorants2020017
Journal volume & issue
Vol. 2, no. 2
pp. 264 – 404

Abstract

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Methods for preparation of 5′-substituted spiropyrans, their chemical properties, and the effects of various factors on the relative stabilities of the spiropyrans and their isomeric merocyanine forms are examined, reviewed, and discussed.

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