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Citation: GUO Yuan, SONG Dan-Mei, WEI Yong-Feng, SHI Zhen. Efficient Synthesis and Fluorescence Properties of Novel Coumarins[J]. Chinese Journal of Applied Chemistry, ;2009, 26(6): 681-685. shu

Efficient Synthesis and Fluorescence Properties of Novel Coumarins

GUO Yuan ^a,b,, ,
SONG Dan-Mei ^a ,
WEI Yong-Feng ^a ,
SHI Zhen ^a

1.
a Department of Chemistry, Northwest University, Xi'an 710069;
2.
b Institute of Molecular Biology and State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an 710032

Corresponding author: GUO Yuan,
Received Date: 19 May 2008
Available Online: 29 August 2008
Fund Project: 国家自然科学基金(20802056) (20802056)中国博士后科学基金(20070421139) (20070421139)陕西省自然科学基金(SJ08B15) (SJ08B15)

A convenient synthetic method for the preparation of 3-carboxy-6,8-dichloro-7-hydroxy coumarin(DClC) and 3-carboxy-6-chloro-7-hydroxy coumarin(MClC) is provided,wherein DClC has not been reported in literature.The structures were confirmed by NMR,IR and MS spectra.At the same time,the effects of polarity of solvent,pH and surfactants on fluorescent and ultraviolet properties of the two coumarins were studied.The result indicates that the fluorescent intensity increased significantly with a pH=10.
- carboxydichlorohydroxy coumarin,
- carboxychlorohydroxy coumarin,
- synthesis,
- fluorescence property
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