Synthesis and Characterization of Coumarin-Based Spiropyran Photochromic Colorants

Two coumarin-based spiropyran derivatives were synthesized and characterized in two steps to explore their photochromic properties. Both prepared compounds are sensitive to UV light and change colors upon irradiation. The resulting photogenerated zwitterions revert to the original compounds while be...

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Bibliographic Details
Published inOrganic letters Vol. 10; no. 21; pp. 4823 - 4826
Main Authors Chen, Jhih-Rong, Wong, Jen-Bing, Kuo, Pei-Yu, Yang, Ding-Yah
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 06.11.2008
Amer Chemical Soc
Subjects
Benzopyrans - chemical synthesis
Benzopyrans - chemistry
Chemistry
Chemistry, Organic
Color
Coumarins - chemistry
Indoles - chemical synthesis
Indoles - chemistry
Models, Molecular
Molecular Structure
Nitro Compounds - chemical synthesis
Nitro Compounds - chemistry
Photochemistry
Physical Sciences
Science & Technology
Spectrophotometry
X-Ray Diffraction
MEMORIES
SWITCHES
PHOTONICS
EFFICIENT
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Summary:Two coumarin-based spiropyran derivatives were synthesized and characterized in two steps to explore their photochromic properties. Both prepared compounds are sensitive to UV light and change colors upon irradiation. The resulting photogenerated zwitterions revert to the original compounds while being heated. A new family of organic photochromic colorants is introduced.
Bibliography:ObjectType-Article-1
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ISSN:1523-7060
1523-7052
DOI:10.1021/ol8018902