Journal
TETRAHEDRON-ASYMMETRY
Volume 23, Issue 24, Pages 1670-1677Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetasy.2012.11.010
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Funding
- ANR [BS07-005-01]
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Highly enantio- and exo-selective 1,3-dipolar cycloadditions of alanine-derived ketonitrones to E-crotonaldehyde could be realized in a good yield by the use of a chiral imidazolidinone salt without the addition of water. The origin of the stereoselectivity in the reaction was discussed and the absolute configuration of the cycloadduct determined unambiguously. (C) 2012 Elsevier Ltd. All rights reserved.
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