Published in

Elsevier, Tetrahedron, 39(65), p. 8199-8205

DOI: 10.1016/j.tet.2009.07.053

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Synthesis of highly modular bis(oxazoline) ligands by Suzuki cross-coupling and evaluation as catalytic ligands

Journal article published in 2009 by Xavier Cattoën, Miquel A. Pericàs ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

New bis(oxazoline) ligands (BOXs) containing biaryl substitutents at the C-4 position and H or CH2OR substituents at the C-5 position have been synthesized using Suzuki cross-coupling as the main tool for structural diversity. Copper, zinc, and palladium complexes of the prepared BOXs have been evaluated in the following catalytic asymmetric processes: Acylation with kinetic resolution of trans-1,2-cyclohexanediol (Cu), enantioselective Friedel–Crafts alkylation of indole (Zn), and enantioselective alkylation of 3-acetoxy-1,3-diphenylpropene (Pd).