| 光度法测定2,6-[(1-苯基-3-甲基-5-氧-4-吡唑啉基)-甲酰基]吡啶的酸离解常数 |
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| 引用本文： | 周恒辉,王应玮. 光度法测定2,6-[(1-苯基-3-甲基-5-氧-4-吡唑啉基)-甲酰基]吡啶的酸离解常数[J]. 湘潭大学自然科学学报, 1992, 0(4) |
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| 作者姓名： | 周恒辉 王应玮 |
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| 作者单位： | 湘潭大学化学系(周恒辉)，湘潭大学化学系(王应玮) |
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| 摘 要： | 2,6-双[1-苯基-3-甲基-5-氧-4-吡唑啉基)-甲酰基]吡啶(以下简称为H_2A)是新合成的一个双β二酮类螯合剂。基结构式为:
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| 关 键 词： | 双β二酮 酸离解常数 光度法 |
ACID DISSOCIATION CONSTANTS OF 2,6-BIS(4-CARBOBYL-(1-PHENYL-3-METHYL-5-OXO-PYRAZOLINYL))-PYRIDINE DETERMINED BY SPECTROPHOTOMETRY |
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| Zhou Henghui Wang Yingwei. ACID DISSOCIATION CONSTANTS OF 2,6-BIS(4-CARBOBYL-(1-PHENYL-3-METHYL-5-OXO-PYRAZOLINYL))-PYRIDINE DETERMINED BY SPECTROPHOTOMETRY[J]. Natural Science Journal of Xiangtan University, 1992, 0(4) |
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| Authors: | Zhou Henghui Wang Yingwei |
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| Affiliation: | Department of Chemistry |
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| Abstract: | The relationship between acidities and the UV absorptioncurves of the title reagent (H_2A) in water-alcohol system is discussed.The acid dissociation constants of this reagent are determined byspectrophotometry.The pKa_1 and pKa_2 are 3.16 and 6.32 respectively. |
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