PHOTO- AND THERMOCHROMIC SPIRANES. 31. PHOTOCHROMIC CATIONIC SPIROPYRANS WITH A PYRIDINIUM FRAGMENT IN THE ALIPHATIC SIDE CHAIN

Authors

  • Н. А. Волошин Southern Scientific Center, Russian Academy of Sciences, Rostov-on-the-Don 344006
  • С. О. Безуглый Southern Scientific Center, Russian Academy of Sciences, Rostov-on-the-Don 344006
  • Е. В. Соловьева Institute of Physical and Organic Chemistry, Southern Federal University, Rostov-on-the-Don 344090
  • А. В. Метелица Institute of Physical and Organic Chemistry, Southern Federal University, Rostov-on-the-Don 344090
  • В. И. Минкин Institute of Physical and Organic Chemistry, Southern Federal University, Rostov-on-the-Don 344090

DOI:

https://doi.org/10.1007/7213

Keywords:

cationic indolinospiropyrans, pyridinium fragment, photochromism, electronic absorption spectroscopy

Abstract

Syntheses are reported for cationic indoline spiropyrans with a quaternized pyridinium fragment in the aliphatic side chain, which display photochromic properties in solution. The major effect of introducing a quaternized pyridinium fragment into the benzopyran part of the spiropyran entails a significant decrease in the rate of thermal relaxation processes.

How to Cite
Voloshin, N. A.; Bezugliy, S. O.; Solov'eva, E. V.; Metelitsa, A. V.; Minkin, V. I..  Chem. Heterocycl. Compd. 2008, 44, 1229. [Khim. Geterotsikl. Soedin. 2008, 1513.]

For this article in the English edition see DOI 10.1007/s10593-009-0175-0


Downloads

Published

2022-11-25

Issue

No. 10 (2008)

Section

Original Papers