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Readily Accessible Unsymmetrical Unsaturated 2,6-Diisopropylphenyl N-Heterocyclic Carbene Ligands. Applications in Enantioselective Catalysis

Abstract : A new multicomponent procedure was applied to the synthesis of (a)chiral bulky unsymmetrical unsaturated 2,6-diisopropylphenyl N-heterocyclic carbene (NHC) precursors with excellent selectivity (up to 95%) and good yields. This approach offers access to new chiral NHC ligands, which have found successful applications in both copper-catalyzed asymmetric allylic alkylation and copper-catalyzed asymmetric borylation.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01475697
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Submitted on : Tuesday, July 4, 2017 - 9:34:13 AM
Last modification on : Thursday, March 5, 2020 - 2:05:40 PM
Long-term archiving on: : Thursday, December 14, 2017 - 9:32:36 PM

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Robert Tarrieu, Adrien Dumas, Jompol Thongpaen, Thomas Vives, Thierry Roisnel, et al.. Readily Accessible Unsymmetrical Unsaturated 2,6-Diisopropylphenyl N-Heterocyclic Carbene Ligands. Applications in Enantioselective Catalysis. Journal of Organic Chemistry, American Chemical Society, 2017, 82 (4), pp.1880-1887. ⟨10.1021/acs.joc.6b02888⟩. ⟨hal-01475697⟩

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