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Synfacts 2008(9): 0944-0944  
DOI: 10.1055/s-2008-1078008
Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions
© Georg Thieme Verlag Stuttgart ˙ New York

Asymmetric Cotrimerization Leading to Furylcyclopropanes

Contributor(s): Hisashi Yamamoto, Pingfan Li
Y. Shibata, K. Noguchi, M. Hirano, K. Tanaka*
Tokyo University of Agriculture and Technology, Japan
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Publikationsdatum:
22. August 2008 (online)

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Significance

The unprecedented cotrimerization products, chiral furylcyclopropanes, were obtained from alkenes and dialkyl acetylenedicar­boxylates with perfect enantio- and diastereo-
selectivities. These results provided important clues for the possible mechanisms in the cationic rhodium/phosphine-catalyzed trimetrization reactions.