期刊
TETRAHEDRON-ASYMMETRY
卷 25, 期 20-21, 页码 1383-1388出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetasy.2014.09.002
关键词
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资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [2011-0024892]
- Kyungpook National University Research Fund
- National Research Foundation of Korea [2011-0024892] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The cinchona-based primary amine-catalyzed enantioselective aza-Michael reaction of alpha,beta-unsaturated aldehydes with 4,5-dihalo-1H-pyrrole-2-carbonitriles as the N-centered heteroaromatic nucleophile, followed by chemoselective reduction provided the corresponding chiral aza-Michael products in good yields and with excellent enantioselectivities (90-97% ee). (C) 2014 Elsevier Ltd. All rights reserved.
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