Volume 28, Issue 50
Isocyclic Compounds
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ChemInform Abstract: Asymmetric Cyclopropanation of Olefins with Diazoacetate Using Chiral Copper Catalysts.

T. ICHIYANAGI

T. ICHIYANAGI

Dep. Chem. Mater., Fac. Eng., Mie Univ., Tsu, Mie 514, Japan

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M. SHIMIZU

M. SHIMIZU

Dep. Chem. Mater., Fac. Eng., Mie Univ., Tsu, Mie 514, Japan

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T. FUJISAWA

T. FUJISAWA

Dep. Chem. Mater., Fac. Eng., Mie Univ., Tsu, Mie 514, Japan

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First published: 02 August 2010

Abstract

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ChemInform Abstract

Chiral 2-(2-sulfonylamino)phenyl-oxazolines and especially the oxazoline shown in A) are found to be efficient ligands for Cu- catalyzed enantioselective cyclopropanation of olefins. The substitution pattern of the olefin as well as the nature of the ester group effect the stereochemical outcome.

chemical structure image

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