|
|||||
|
|
Study of thermochromic behaviour of some indolinobenzospiropyrans by infrared spectroscopy |
|
| Authors: | Alessandro Bertoluzza Carlo Concilio Paola Finelli |
| 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: | |