Study of thermochromic behaviour of some indolinobenzospiropyrans by infrared spectroscopy
- 1 January 1977
- journal article
- research article
- Published by Wiley in Journal of Chemical Technology & Biotechnology
- Vol. 27 (1) , 225-228
- https://doi.org/10.1002/jctb.5020270133
Abstract
The thermochromic behaviour of some indolinobenzospiropyrans was studied by heating solid compounds in K Br. Changes in i.r. spectra are interpreted as being due to the formation of a pseudoquinonic structure, (V).Keywords
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