期刊
TETRAHEDRON
卷 66, 期 29, 页码 5486-5491出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2010.05.007
关键词
-
资金
- Australian Postgraduate Award
New trifunctional organocatalysts with a NHTs Bronsted acid were prepared and tested in their ability to promote the counterion catalysis of generic and aza-Morita/Baylis/Hillman reactions. The cooperativity between the counterion and the NHTs Bronsted acid of the trifunctional catalyst was required for good enantioselectivity and rate enhancement. Better enantioselectivity was observed for aza-MBH reactions at relatively low catalyst loading (2-5 mol%) under facile conditions. (C) 2010 Elsevier Ltd. All rights reserved.
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