期刊
CHEMICAL PHYSICS LETTERS
卷 513, 期 4-6, 页码 184-190出版社
ELSEVIER
DOI: 10.1016/j.cplett.2011.07.090
关键词
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资金
- NSF-CHE [1011770]
- Academia Sinica, Taiwan
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1011770] Funding Source: National Science Foundation
In this work we present the spectroscopic characterization of 2,2-dihydroxypropanoic acid and its water complexes. Based on this information the water-mediated hydration between pyruvic acid and its geminal diol counterpart, 2,2-dihydroxypropanoic acid, was investigated at very low water concentration at ambient temperatures, using Fourier-transform mid-infrared (FTIR) and nuclear magnetic resonance spectroscopy (NMR). We experimentally observed large concentrations of 2,2-dihydroxypropanoic acid in this water-restricted environment of the carbon tetrachloride matrix. Our observation can be explained by the role of hydrogen-bonded water clusters in promoting the hydration of the carbonyl in pyruvic acid. (C) 2011 Elsevier B.V. All rights reserved.
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