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Crystal Structures of L-(R)-Cysteine-Mandelic Acid Diastereomers
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- FUJII Isao
- Department of Biological Science and Technology, Tokai University
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- BABA Hiroyuki
- Daito Chemical Co., Ltd.
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- TAKAHASHI Yukio
- Daito Chemical Co., Ltd.
Description
The crystal structures of the title compounds, L-(R)-cysteine-D-(R)-mandelic acid, (I), and L-(R)-cysteine-L-(S)-mandelic acid, (II), have been determined. The structures show a common fashion in molecular recognition in hydrophilic layers, except for the arrangement of phenyl rings against mercapto groups. Crystallographic and physicochemical experiments have clarified the entropic and enthalpic advantage of (II) than (I). It plays a key role in the optical separation of mandelic acid with chiral L-cysteine.
Journal
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- Analytical Sciences: X-ray Structure Analysis Online
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Analytical Sciences: X-ray Structure Analysis Online 21 X175-X176, 2005
The Japan Society for Analytical Chemistry
Related Data
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Keywords
Details 詳細情報について
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- CRID
- 1390282680176762496
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- NII Article ID
- 130004442678
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- ISSN
- 13482238
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- Text Lang
- en
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed