光谱学与光谱分析 |
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Structure Analysis of Benzoic Medicines by Near Infrared and Two Dimensional Correlation Spectroscopy |
LIU Hao1,XIANG Bing-ren2*,QU Ling-bo3,XU Jian-ping2 |
1. Department of Pharmacy, Guangdong Chemical Engineering Pharmaceutics College, Guangzhou 510520, China 2. Center for Analysis and Measurement, China Pharmaceutical University, Nanjing 210009, China 3. Anyang Teachers College, Anyang 455002, China |
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Abstract The structure analysis of benzoic medicines by Fourier transform near infrared spectroscopy and generalized two dimensional correlation spectroscopy was performed. Three kinds of medicines showed unconspicuous changes in one-dimensional near infrared spectra, while the two dimensional correlation spectra showed high resolution,and were more explicable. By the comparison and analysis of raw near infrared spectra and 2D-correlation spectra, the near infrared absorption peaks of benzoic acid medicines were assigned,and their structure characteristics were analyzed, the results affirmed the six-membered ring intramolecular hydrogen bond especially. The study is helpful to the in-depth understanding of benzoic medicines, and provides information for the future study and utilization of benzoic medicines.
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Received: 2005-12-19
Accepted: 2006-03-28
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Corresponding Authors:
XIANG Bing-ren
E-mail: xiangbr@cpu.edu.cn
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Cite this article: |
LIU Hao,XIANG Bing-ren,QU Ling-bo, et al. Structure Analysis of Benzoic Medicines by Near Infrared and Two Dimensional Correlation Spectroscopy[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(02): 265-269.
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URL: |
https://www.gpxygpfx.com/EN/Y2007/V27/I02/265 |
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