Tetrahedron: Asymmetry

Preparation of new chiral bisoxazoline ligands for the catalytic asymmetric intramolecular cyclopropanation of α-diazo-β-keto phenyl sulfone to afford a useful bicyclo [ …

T Sawada, M Nakada

Index: Sawada, Takashi; Nakada, Masahisa Tetrahedron Asymmetry, 2012 , vol. 23, # 5 p. 350 - 356

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Citation Number: 18

Abstract

Herein we describe the preparation of novel chiral bisoxazoline ligands with various substituents at the bisoxazoline linkage, for use in the catalytic asymmetric intramolecular cyclopropanation (CAIMCP) of α-diazo-β-keto phenyl-5-hexenyl sulfone to afford a simple, ...