Efficient soluble polymer-supported tartrate/Ti catalyst for asymmetric oxidation of prochiral sulfides

Jinshan Gao, Hongchao Guo, Shangzhong Liu, Min Wang

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Abstract

A group of soluble polymer-supported chiral tartrate ligands was prepared by liquid-phase synthesis with ligand diversity strategy. Moderate to excellent chemical yields and enantiomeric excesses were obtained by using soluble polymer-supported tartrate ester in asymmetric oxidation of prochiral sulfides using Ti(O-i-Pr)4/cumyl hydroperoxide, and the workup was greatly simplified. The influence of substituent in chiral tartrate ligands on the enantioselectivities of the reaction was disclosed.

Original languageEnglish
Pages (from-to)8453-8455
Number of pages3
JournalTetrahedron Letters
Volume48
Issue number48
DOIs
Publication statusPublished - 26 Nov 2007

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