A concise synthesis of tunable fluorescent 1,3-dihydroisobenzofuran derivatives as new fluorophores
A concise synthesis of tunable fluorescent 1,3-dihydroisobenzofuran derivatives as new fluorophores
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新型荧光团可调谐荧光 1,3-二氢异苯并呋喃衍生物的简明合成
DOI:
10.1016/j.dyepig.2014.10.013
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发表时间:
2015-03
影响因子:
4.5
通讯作者:
Liu, Pei Nian
中科院分区:
文献类型:
--
作者:
Shang, Xue Song;Li, Deng Yuan;Li, Nian Tai;Liu, Pei Nian
A convenient potassiumtert-butoxide catalyzed addition–elimination reaction has been achieved usingexo-cyclic enol ethers and aryl aldehydes as the starting materials. The transition-metal free reaction proceeded smoothly to afford 1,3-dihydroisobenzofuran derivatives with good to excellent yields. More importantly, the resulting products were discovered as novel fluorophores with good fluorescence properties and remarkable Stokes shifts. Changing the nature of the substituents in 1,3-dihydroisobenzofurans derivatives allowed the maximum emission wavelengths to be tuned between 438 and 597 nm and the Stokes shifts varied between 63 and 166 nm. In particular, derivativeC27containing a piperidyl and a cyano group showed the maximum emission wavelength of 597 nm and a Stokes shift of 166 nm.
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