Readily Accessible Unsymmetrical Unsaturated 2,6-Diisopropylphenyl N-Heterocyclic Carbene Ligands. Applications in Enantioselective Catalysis
Author(s) -
Robert Tarrieu,
Adrien Dumas,
Jompol Thongpaen,
Thomas Vivès,
Thierry Roisnel,
Vincent Dorcet,
Christophe Crévisy,
Olivier Baslé,
Marc Mauduit
Publication year - 2017
Publication title -
the journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.2
H-Index - 228
eISSN - 1520-6904
pISSN - 0022-3263
DOI - 10.1021/acs.joc.6b02888
Subject(s) - enantioselective synthesis , carbene , catalysis , chemistry , combinatorial chemistry , organic chemistry
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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