光谱学与光谱分析 |
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Study on the Synthesis and Spectra of 2-Thenoyl-2-Carbazolyl-N-Butyltrifluoroacetone |
YU Qian,LUO Zong-ming,YANG Chi,FANG Yan-xiong,ZHANG Kun,CAO Xian-yi |
Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510090,China |
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Abstract In phene-50% NaOH medium, 1, 4-dibromobutane reacts with carbazole (CZ) to form N-bromobutylcarbazole (BCZ) at 70-80℃. The 2-thenoyl-2-carbazolyl-N-butyltrifluoroacetone(TCBTA) was synthesized by reaction of BCZ with 2-thenoyltrifluoroacetone(TTA) in acetone-K2CO3 medium at 50℃. The TCBTA is a light brown crystal with m. p. of 211-214℃. The structure of the synthesized TCBTA was characterized by UV, IR and GC/MS, and the UV and IR spectra of CZ , BCZ and TTA have been studied. In chloroform, TCBTA has three maximum absorptions at 241, 265 and 295 nm whose molar absorptivity is 1.88×105, 1.25×105 and 1.08×105 L·mol-1·cm-1, respectively. Extraction rate of iron(Ⅲ) and neodymium(Ⅲ) by TCBTA in chloroform rises by 3 and 1.6 times compared with TTA. The fluorescence of TCBTA-Nd(Ⅲ) complex is 5 times higher than TTA-Nd(Ⅲ) complex. It was shown that TCBTA has excellent photosensitivity.
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Received: 2002-10-05
Accepted: 2003-02-12
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Corresponding Authors:
YU Qian
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Cite this article: |
YU Qian,LUO Zong-ming,YANG Chi, et al. Study on the Synthesis and Spectra of 2-Thenoyl-2-Carbazolyl-N-Butyltrifluoroacetone [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(02): 162-165.
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URL: |
http://www.gpxygpfx.com/EN/Y2004/V24/I02/162 |
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