Journal
TETRAHEDRON LETTERS
Volume 48, Issue 23, Pages 4037-4041Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2007.04.028
Keywords
chiral N-oxides; enantioselective organocatalysis; allylation; dipyridylmethane ligands; allyltrichlorosilanes
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New chiral dipyridine N-monoxides and N,N'-dioxides, which possess an isopropylidene backbone between two pyridine rings, have been prepared from naturally occurring monoterpenes. Their utility as organocatalysts has been demonstrated in the enantioselective addition of allyltrichlorosilane to aldehydes. Enantioselectivities up to 85% ee have been obtained. (c) 2007 Elsevier Ltd. All rights reserved.
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