Effect of aryl substituents on the rate of dark decolorization of photochromic spirochromenes of the indoline series

Autor: M. A. Gal'bershtam, I. B. Lazarenko, E. V. Braude, N. M. Przhiyalgovskaya, N. P. Samoilova, N. N. Suvorov
Rok vydání: 1977
Předmět:
Zdroj: Chemistry of Heterocyclic Compounds. 13:67-69
ISSN: 1573-8353
0009-3122
DOI: 10.1007/bf00479872
Popis: The introduction of aryl substituents in the 3′ and 7 positions of the indoline spirochromene molecule gives rise to a certain amount of slowing down of dark decolorization in toluene and dioxane; similar changes in the 5′, 6, and 8 positions do not change the rate appreciably.
Databáze: OpenAIRE