Synthesis, Characterization and Luminescence of a Series Europium Complexes with 1-Phenyl-3-Methyl-4-Acyl-5-Pyrazolones

Acta Scientiarum Naturalium Universitatis Pekinensis

Synthesis, Characterization and Luminescence of a Series Europium Complexes with 1-Phenyl-3-Methyl-4-Acyl-5-Pyrazolones

LI Qin¹, ZHOU Dejian¹, ZHOU Yongfen¹, HUANG Chunhui¹, Umetani Shigeo², Matsui Masakazu²

¹State Key Laboratory of Rare Earth Material Chemistry and Applications, Peking University, Beijing, 100871; ²Institute for Chemical Research, Kyoto University, Uji, Kyoto 611, Japan

Received:1996-01-24 Online:1996-11-20 Published:1996-11-20

铕与4-烷基酰代吡唑啉酮配合物的合成、表征与荧光性能

李琴¹,周德建¹,周永芬¹,黄春辉¹,S Umetani²,M Matsui²

¹北京大学稀土材料化学及应用国家重点实验室，北京，100871;²日本京都大学化学研究所，京都，611，日本

Abstract

Abstract: A series of europium complexes with 4-acyl substituted pyrazolones: Eu(L)_3.2H₂O, where L=1-phenyl-3-methyl-4-acetyl-5-pyrazolone (PMAP); henyl-3-methyl-4-propionyl-5-pyrazolone(PMPP); 1-phenyl-3-methyl-4-isobutyryl-5-pyrazolone (PMIBP); 1-phenyl-3-methyl-4-pivaloyl-5-pyrazolone (PMPVP) and 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone (PMBP), were synthesized and identified by elemental analysis. The complexes were characterized by FT-IR, UV-vis spectra, TG-DTA analysis and X-ray diffraction. The luminescences of the solid powder complexes were also studied. Results show that the fluorescence intensities of these complexes strongly depend on the different substituted 4-acyl groups.

Key words: europium, 1-phenyl-3-methyl-4-acyl-5-pyrazolone, complex, fluorescence

摘要： 合成了一系列铕与含不同4-酰代基的1-苯基-3-甲基吡唑啉酮-5的三元配合物Eu(L)₃·2H₂O［Ｌ=1-苯基-3-甲基-4-乙酰基吡唑啉酮-5(HPMAP)，1-苯基-3-甲基-4-丙酰基吡唑啉酮-5(HPMPP)，1-苯基-3-甲基-4-异丁酰基吡唑啉酮-5(HPMIBP)， 1-苯基-3-甲基-4-特戊酰基吡唑啉酮-5(HPMPVP)，1-苯基-3-甲基-4-苯甲酰基吡唑啉酮-5(HPMBP)］。用元素分析、红外光谱、紫外-可见光谱、差热-热重谱，X-射线衍射对其组成和光谱性质进行了表征，同时测定了这些配合物的荧光性能，表明不同的 4-酰代基对其荧光性能有较大的影响。

关键词: 铕, 4-烷基酰代吡唑啉酮, 配合物, 荧光

CLC Number:

LI Qin,ZHOU Dejian,ZHOU Yongfen,HUANG Chunhui,Umetani Shigeo,Matsui Masakazu. Synthesis, Characterization and Luminescence of a Series Europium Complexes with 1-Phenyl-3-Methyl-4-Acyl-5-Pyrazolones[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

李琴,周德建,周永芬,黄春辉,S Umetani,M Matsui. 铕与4-烷基酰代吡唑啉酮配合物的合成、表征与荧光性能[J]. 北京大学学报（自然科学版）.

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