Synthesis and optical properties of naphthopyran dyes conjugated with fluorescent stilbazolium moieties
Synthesis and optical properties of naphthopyran dyes conjugated with fluorescent stilbazolium moieties
复制标题
与荧光芪唑基团缀合的萘并吡喃染料的合成和光学性质
DOI:
10.1039/c3nj41130c
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发表时间:
2013
影响因子:
3.3
通讯作者:
S. Spange
中科院分区:
文献类型:
--
作者:
I. Kahle;O. Tröber;H. Richter;S. Spange
The synthesis of new 3H-naphtho[2,1-b]pyran dyes substituted at position 8 of the naphthalene ring by either a stilbazolium or an 4-ethenyl-quinolinium group and their photochemical properties are described. In non-polar media the naphthopyran–stilbazolium conjugates do not show any photochromic response while the formation of the ring opened species is promoted in strong polar media. Additional investigations of the new dyes within the pores of mesoporous MCM 41 particles showed a significant enhancement of the photochromism compared with that in solution. The generation of the ring-opened species upon irradiation with UV-light is accompanied by a decrease of the fluorescence intensity, which could be recovered by illumination with visible light.
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DOI:
--
发表时间:
1988
期刊:
影响因子:
--
作者:
G. Marowsky;L. Chi;D. Möbius;R. Steinhoff;Y. Shen;D. Dorsch;B. Rieger
通讯作者:
B. Rieger
影响因子:
2.1
作者:
Casades, I;Constantine, S;Márquez, F
通讯作者:
Márquez, F
DOI:
--
发表时间:
1971
期刊:
影响因子:
--
作者:
D. Schulte‐Frohlinde;H. Güsten
通讯作者:
H. Güsten
DOI:
--
发表时间:
1978
期刊:
影响因子:
--
作者:
U. Steiner;M. Abdel;P. Fischer;H. Kramer
通讯作者:
H. Kramer
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
Anna F Little;Robert Michael Christie
通讯作者:
Robert Michael Christie