A New Spirobifluorene-Bridged Bipolar System for a Nitric Oxide Turn-On Fluorescent Probe

A new spirobifluorene-bridged bipolar molecule (EDADO) as a nitric oxide (NO) turn-on fluorescent probe was designed and synthesized. The fluorescence of EDADO is strongly quenched by photoinduced electron transfer (PET) from the electron-donating o-phenylenediamine-containing biphenyl branch to the...

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Published inOrganic letters Vol. 13; no. 9; pp. 2216 - 2219
Main Authors Lin, Li-Yen, Lin, Xiauo-Yun, Lin, Francis, Wong, Ken-Tsung
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 06.05.2011
Amer Chemical Soc
Subjects
Chemistry
Chemistry, Organic
Fluorenes - analysis
Fluorenes - chemistry
Fluorescent Dyes - analysis
Fluorescent Dyes - chemistry
Molecular Structure
Nitric Oxide - analysis
Nitric Oxide - chemistry
Physical Sciences
Science & Technology
Spiro Compounds - analysis
Spiro Compounds - chemistry
DIOXYGEN
NOBEL LECTURE
CHROMOPHORE
INDICATORS
CHEMILUMINESCENCE
RELAXING FACTOR
COMPLEXES
REACTIVITY
DIIRON(II)
SENSORS
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Summary:A new spirobifluorene-bridged bipolar molecule (EDADO) as a nitric oxide (NO) turn-on fluorescent probe was designed and synthesized. The fluorescence of EDADO is strongly quenched by photoinduced electron transfer (PET) from the electron-donating o-phenylenediamine-containing biphenyl branch to the orthogonally arranged electron-accepting 1,3,4-oxadiazole-containing conjugated oligoaryl system. Upon reacting with NO, EDADO is converted to EDADO-T, which exhibits strong fluorescence due to the suppression of PET.
Bibliography:ObjectType-Article-1
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ISSN:1523-7060
1523-7052
DOI:10.1021/ol200463m