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-<i>f</i>]QUINOLINIUM])} DIIODIDE
DOI:
https://doi.org/10.1007/1138Keywords:
indoline bisspiropyran, quinoline, 2H-chromene fragment, photochromeAbstract
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.
Authors: K. N. Khalanskiy, Yu. S. Alekseenko, B. S. Lukyanov, G. S. Borodkin, and S. O. Bezuglyi.
English Translation in Chemistry of Heterocyclic Compounds, 2012, 48 (7), pp 1090-1097