期刊
TETRAHEDRON-ASYMMETRY
卷 22, 期 24, 页码 2085-2098出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetasy.2011.11.018
关键词
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资金
- CONACYT (Mexico) [83723, 84453]
- CONACYT [186031, 58994, 237631]
The straightforward determination of the absolute configuration of 2-oxo-3-indolylacetic acid derivatives 5a-e, based on analysis of the H-1 NMR spectra of their oxindolylacetyl-phenyloxazolidinones 6a-e, is described. The conformational preferences for two diastereomeric amides were calculated by DFT, which matched well with the experimental results, while X-ray diffraction analysis allowed us to validate the methodology. Independent absolute configuration evidence was also obtained by vibrational circular dichroism. (C) 2011 Elsevier Ltd. All rights reserved.
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