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

被引：20

作者：

Grofcsik, A

Baranyai, P

Bitter, S

Grün, A

Köszegi, T

Kubinyi, M

Pál, M

Vidóczy, T

机构：

[1] Budapest Univ Technol & Econ, Dept Phys Chem, H-1521 Budapest, Hungary

[2] Hungarian Acad Sci, Chem Res Ctr, H-1525 Budapest, Hungary

[3] Budapest Univ Technol & Econ, Dept Organ Chem Technol, H-1521 Budapest, Hungary

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2002年 / 614卷 / 1-3期

关键词：

photochromism; spiropyran derivatives; merocyanine; calixarene;

D O I：

10.1016/S0022-2860(02)00242-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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. (C) 2002 Elsevier Science B.V. All rights reserved.

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页码：69 / 73

页数：5

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