Facile Synthesis of C3-Symmetric Tripodal β-Hydroxy Amide Ligands and Their Ti (IV) Complex-Catalyzed Asymmetric Addition of Diethylzinc to Aldehydes

Author(s): Tao Fang , Jiaxi Xu , Da-Ming Du .

Journal Name: Letters in Organic Chemistry

Volume 3 , Issue 10 , 2006

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Chiral C3-symmetric tripodal tris(β-hydroxy amide) ligands have been conveniently synthesized via the reaction of 1,3,5-benzenetricarboxylic chloride and chiral amino alcohols, and the corresponding tris(amino alcohol) ligands were obtained via the borane reduction of amides. The asymmetric diethylzinc addition to various aldehydes catalyzed by these chiral ligand-Ti (IV) complexes gave modest enantioselectivities.

Keywords: C3-symmetry, β-hydroxy amide, amino alcohol, asymmetric synthesis, diethylzinc

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Article Details

Year: 2006
Page: [780 - 786]
Pages: 7
DOI: 10.2174/157017806779025870
Price: $58

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