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Simple chiral sulfinyl imine–thioether ligands for Pd-catalyzed allylic alkylation

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Abstract

A set of chiral sulfinyl imine–thioether ligands are prepared via dehydration condensation of substituted benzaldehyde and chiral sulfinamide. The activity of these ligands in Pd-catalyzed asymmetric allylic alkylation reaction is studied, and the results indicate that the structure of sulfinamide motifs has an obvious effect on the e.r. value and yield. The chiral p-tolylsulfinamide derived ligands can promote the reaction efficiently, while the ligands with tert-butyl group fail to catalyze the reaction. Then, the substrate scope is also investigated under the optimal reaction conditions.

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Acknowledgements

We are grateful for the financial support from the National Science Foundation of China (No. 21901009), Natural Science Foundation of Guangxi (No. 2019GXNSFBA245075) and the Middle-Aged and Young Teachers' Basic Ability Promotion Project of Guangxi (No. 2019KY0734).

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Correspondence to Bin Feng.

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You, GY., Liu, XF., Fang, PW. et al. Simple chiral sulfinyl imine–thioether ligands for Pd-catalyzed allylic alkylation. Chem. Pap. 76, 4615–4620 (2022). https://doi.org/10.1007/s11696-022-02176-2

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  • DOI: https://doi.org/10.1007/s11696-022-02176-2

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