Synthesis and characterization of inclusion complex of -cyclodextrin and triazole picrate

IF 1.3 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Bulletin of the Chemical Society of Ethiopia Pub Date : 2023-05-12 DOI:10.4314/bcse.v37i4.13

S. Hichri, N. Matoussi, R. Abderrahim

引用次数: 0

Abstract

ABSTRACT. Inclusion complex between 3-amino-1,2,4-triazole picrate and β-cyclodextrin was synthesized in order to increase the picrate solubility. The complex was obtained by co-precipitation method and its stoichiometry is 1:1 (guest–host). The structure of picrate and complex has been established by UV, X-ray diffractometry powder spectra, TGA, DSC, IR, 1H NMR, and 13C NMR. The influence of the effect of pH on the complexation has been discussed. The value of apparent formation constant is 1.2 x 104. KEY WORDS: Amino triazole, Picrate, Inclusion complex, pH Bull. Chem. Soc. Ethiop. 2023, 37(4), 973-982. DOI: https://dx.doi.org/10.4314/bcse.v37i4.13

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-环糊精-苦味酸三唑包合物的合成与表征

摘要。为了提高苦味酸盐的溶解度，合成了3-氨基-1,2,4-三唑苦味酸与β-环糊精的包合物。通过共沉淀法得到配合物，其化学计量为1:1（客体-主体）。通过紫外光谱、X射线衍射粉末光谱、热重分析、差示扫描量热分析、红外光谱、核磁共振氢谱和核磁共振13C谱确定了苦味酸盐和配合物的结构。讨论了pH对络合反应的影响。表观地层常数为1.2×104。关键词：氨基三唑，Picrate，包合物，pH Bull。化学。Soc.Ethiop。2023，37（4），973-982.DOI:https://dx.doi.org/10.4314/bcse.v37i4.13

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来源期刊

Bulletin of the Chemical Society of Ethiopia 化学-化学综合

CiteScore

2.20

自引率

8.30%

发文量

113

审稿时长

6-12 weeks

期刊介绍： The Bulletin of the Chemical Society of Ethiopia (BCSE) is a triannual publication of the Chemical Society of Ethiopia. The BCSE is an open access and peer reviewed journal. The BCSE invites contributions in any field of basic and applied chemistry.