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Trends in Heterocyclic Chemistry   Volumes    Volume 6 
Abstract
New developments in the asymmetric synthesis of densely functionalized C-4 monosubstituted 2-amino-4H-pyrans
M. Carmo Carreiras, Gema Martín, José L. Marco
Pages: 153 - 157
Number of pages: 5
Trends in Heterocyclic Chemistry
Volume 6 

Copyright © 1999 Research Trends. All rights reserved

ABSTRACT
 
Some new developments of the asymmetric synthesis of C-4 monosubstituted alkyl and aryl, densely funcionalized 2-amino-4H-pyrans, are described. Two complementary strategies have been devised: a) the Michael addition of malononitrile to enantiomerically pure α-acyl, alkylidenepropenoates derived from the chiral pool of natural products, and b) the Michael addition of chiral β-ketosulfoxides to arylidenemalononitriles.
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