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Updated: Jun 2, 2026

Qualitative Identification of Carboxylic Acids, Boronic Acids, and Amines Using Cruciform Fluorophores
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Published on: August 19, 2013

使用基于十字形光体的三分子阵列对有机酸进行区分

Evan A Davey1, Anthony J Zucchero, Oliver Trapp

  • 1School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30332, USA.

Journal of the American Chemical Society
|April 28, 2011
PubMed
概括

一个简单的光传感器阵列可以识别十种芳香碳酸盐. 这种方法使用质子诱导的光转移,即使对于具有相似pKa值的酸.

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IR and UV–Vis Spectroscopy of Carboxylic Acids01:28

IR and UV–Vis Spectroscopy of Carboxylic Acids

In IR spectroscopy of carboxylic acids, the C=O bond shows a characteristic band between 1710 and 1760 cm⁻¹, and the O–H bond exhibits a broad band between 2500 and 3300 cm⁻¹.
However, the stretching absorptions for the C=O bond vary depending on the structure of carboxylic acids. The C=O bond of the free carboxylic acids shows a higher stretching frequency, 1760 cm−1, while H-bonded carboxylic acids (dimers) exhibit stretching absorptions at a lower frequency, 1710 cm−1. The C=O bond of the...