4.1 Article

Photo- and thermochromic spirans 36.* Synthesis, structure and photochromic properties of 7',7-{1,4-phenylenedi(methylene)-bis(5-chloro-1,3,3-trimethyl-1,3-dihydrospiro-[indole-2,3'-pyrano[3,2-f]quinolinium])} diiodide

Journal

CHEMISTRY OF HETEROCYCLIC COMPOUNDS
Volume 48, Issue 7, Pages 1090-1097

Publisher

SPRINGER
DOI: 10.1007/s10593-012-1114-z

Keywords

indoline bisspiropyran; quinoline; 2H-chromene fragment; photochrome

Funding

  1. Russian Foundation for Basic Research [12-03-90018-Bel-a]
  2. Grants Council of the President of the Russian Federation [NSh 927.2012.3]

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A synthesis is reported for a new photochromic indoline bisspiropyran salt containing a quinoline fragment. This compound exists as a racemic mixture. The photochromic properties of this symmetrical bisspiropyran were studied.

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