Multi-photochromic behavior of hybrid material with spirobenzopyran and azobenzene moieties

Two kinds of bi-functional photochromic compounds (SpAz1 and SpAz2) were synthesized with spirobenzopyran and azobenzene derivatives by esterification. In chloroform solution, a novel photochromic compound (SpAz2) showed four kinds of isomers depending on the wavelength of the irradiated light. It i...

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Bibliographic Details
Published inChemistry letters Vol. 35; no. 3; pp. 298 - 299
Main Authors Kinashi, K, Furuta, K, Harada, Y, Ueda, Y
Format Journal Article
LanguageEnglish
Published TOKYO Chemical Soc Japan 01.03.2006
Subjects
Chemistry
Chemistry, Multidisciplinary
Physical Sciences
Science & Technology
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Summary:Two kinds of bi-functional photochromic compounds (SpAz1 and SpAz2) were synthesized with spirobenzopyran and azobenzene derivatives by esterification. In chloroform solution, a novel photochromic compound (SpAz2) showed four kinds of isomers depending on the wavelength of the irradiated light. It is suggested that SpAz2 has four digital codes for optical memory.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2006.298