Tetrahedron: Asymmetry

Synthesis and resolution of 2-(2-diphenylphosphinyl-naphthalen-1-yl)-1-isopropyl-1H-benzoimidazole; a new atropisomeric P, N-chelating ligand for asymmetric …

A Figge, HJ Altenbach, DJ Brauer, P Tielmann

Index: Figge, Axel; Altenbach, Hans J.; Brauer, David J.; Tielmann, Patrick Tetrahedron Asymmetry, 2002 , vol. 13, # 2 p. 137 - 144

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Citation Number: 58

Abstract

A multistep synthesis resulting in a good yield of the title compound 13 (BIMNAP) has been developed based on N, N-acetal-formation and oxidation with MnO2. The product 11 is converted into the corresponding trifluoromethane sulfonate 12 by treatment with ( ...

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