Synthesis and spectroscopic study on photochromism of a new thiosemicarbazone compound containing pyrazolone

被引：15

作者：

Chai, H ^{[1
]}

Liu, GF ^{[1
]}

Liu, L ^{[1
]}

Jia, DZ ^{[1
]}

机构：

[1] Xinjiang Univ, Inst Appl Chem, Urumqi 830046, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2005年 / 61卷 / 11-12期

基金：

中国国家自然科学基金;

关键词：

time-dependent spectroscopy; photochromism; thiosemicarbazone; pyrazolone;

D O I：

10.1016/j.saa.2004.09.027

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A new photochromic compound 1,3-diphenyl-4-(4'-fluro)benzal-5-pyrazolone-4-ethyl thiosemicarbazone (DP4FBP-ETSC) was synthesized by direct condensation of 1,3-diphenyl-5-pyrazolone with N(4)-ethyl thiosemicarbazide. The product was characterized by elemental analysis, IR and H-1 NMR spectra. The photochromic properties of the compound were studied using time-dependent fluorescence emission spectra, the UV-vis reflection spectra in the solid state and the UV-vis absorption spectroscopy in liquid. The reaction rate constant of compound was also analyzed. The results show that DP4FBP-ETSC can perform photochromism. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：2590 / 2594

页数：5

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