Efficient Synthesis and Properties of Isomeric Photochromic Diarylethenes Having a Pyrrole Unit

Two new isomeric photochromic diarylethenes with a pyrrole unit have been developed. Their properties, including photochromic behavior, crystal structures, and fluorescent properties, have been investigated. The two isomeric compounds show distinctly different photochromism, both in solution and in...

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Bibliographic Details
Published inOrganic letters Vol. 9; no. 11; pp. 2139 - 2142
Main Authors Pu, Shouzhi, Liu, Gang, Shen, Liang, Xu, Jingkun
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 24.05.2007
Amer Chemical Soc
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
ELECTRON
SINGLE-CRYSTALLINE PHOTOCHROMISM
PYRAZOLE UNIT
FLUORESCENCE
REACTIVITY
DITHIENYLETHENES
OPTOELECTRONIC PROPERTIES
MOLECULAR SWITCHES
DERIVATIVES
MODULATION
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Summary:Two new isomeric photochromic diarylethenes with a pyrrole unit have been developed. Their properties, including photochromic behavior, crystal structures, and fluorescent properties, have been investigated. The two isomeric compounds show distinctly different photochromism, both in solution and in the single-crystalline phase:  one turns red upon photocyclization whereas the other turns blue, which may be attributed to the different substituent effects.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:1523-7060
1523-7052
DOI:10.1021/ol070622q