4.8 Article

Cu-Catalyzed Enantioselective Protoboration of 2,3-Disubstituted 1,3-Dienes

Journal

ORGANIC LETTERS
Volume 25, Issue 37, Pages 6897-6901

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.3c02627

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This study describes a Cu-catalyzed regio- and enantioselective protoboration of 2,3-disubstituted 1,3-dienes. The protocol operates under mild conditions and is applicable to symmetrically and unsymmetrically substituted dienes, providing access to homoallylic boronates with consistently high yield, regioselectivity, and enantiomeric ratio. Preliminary investigations suggest a complex mechanism.
A Cu-catalyzed regio- and enantioselective protoboration of 2,3-disubstituted 1,3-dienes is described. The protocol operates under mild conditions and is applicable to symmetrically and unsymmetrically substituted dienes, providing access to homoallylic boronates in consistently high yield, regioselectivity, and enantiomeric ratio. Preliminary investigations point to a complex mechanism.

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