Asymmetric ligands useful for transition metal catalyzed bond forming reactions
Ligands useful for transition metal catalyzed bond forming reactions are provided with a metal binding portion having at least one metal binding moiety STR1 wherein Ar and Ar' each is an aryl or a heteroaryl. These ligands may be prepared by providing an aromatic carboxylic acid having a diarylphosphino or diheteroarylphosphino substituent on the aromatic ring, and forming an ester or an amide derivative of the carboxylic acid by coupling with a chiral diol or a chiral diamine. The ligands facilitate, for example, flexible strategies for enantiocontrolled construction of five membered carbocyclic rings with varying substitution patterns and high enantioselectivity.
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(2008/06/13)
A novel Pd-catalyzed cycloalkylation to isoxazoline 2-oxides. Application for the asymmetric synthesis of carbanucleosides
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Trost,Li,Guile
p. 8745 - 8747
(2007/10/02)
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