Photochromism of a spiropyran derivative of 1,3-calix[4]crown-5

A new spiropyran derivative containing a calixcrown ring has been synthesised. Thermal conversion from merocyanine to the spiropyran form was studied in ethanol and in acetonitrile, and equilibrium and kinetic data were compared with those of the parent 6-nitrospiropyran. The kinetics of thermal dec...

Full description

Saved in:
Bibliographic Details
Published inJournal of molecular structure Vol. 614; no. 1; pp. 69 - 73
Main Authors Grofcsik, András, Baranyai, Péter, Bitter, István, Grün, Alajos, Köszegi, Éva, Kubinyi, Miklós, Pál, Krisztina, Vidóczy, Tamás
Format Journal Article
LanguageEnglish
Published Elsevier B.V 02.09.2002
Subjects
Calixarene
Merocyanine
Photochromism
Spiropyran derivatives
Spiropyran derivatives
Calixarene
Photochromism
Merocyanine
Online AccessGet full text

Cover

More Information
Summary:A new spiropyran derivative containing a calixcrown ring has been synthesised. Thermal conversion from merocyanine to the spiropyran form was studied in ethanol and in acetonitrile, and equilibrium and kinetic data were compared with those of the parent 6-nitrospiropyran. The kinetics of thermal decay of the merocyanine form of the calixcrown-spiropyran molecule shows a biexponential character in both solvents, while the decay is much slower in ethanol than in acetonitrile.
ISSN:0022-2860
1872-8014
DOI:10.1016/S0022-2860(02)00242-9