Copper‐Catalyzed Simultaneous Dehydrogenation and Enantioselective Allylic Oxidation of Alkanes Using Chiral Heterogeneous Ligands to Produce Allylic Esters and Theoretical Investigation of the Mechanism
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DOI: 10.1002/aoc.7857
Abstract: A new asymmetric method for preparing chiral allylic esters from various unactivated alkanes through simultaneous dehydrogenation and enantioselective allylic oxidation in the presence of chiral heterogeneous oxazoline–based ligands is reported for the first time. For… read more here.
Keywords: spectroscopy; simultaneous dehydrogenation; allylic esters; enantioselective allylic ... See more keywords
Oxygen Atom Migration of Allylic Esters via an Organocatalyzed Claisen‐type Rearrangement
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DOI: 10.1002/ejoc.202401401
Abstract: Direct transforming molecular skeleton to the other useful one is highly desirable for synthetic chemists. Oxygen atom migration of allylic esters is a powerful avenue for skeleton editing, and various methodologies involving palladium, Lewis acid… read more here.
Keywords: atom migration; oxygen atom; allylic esters; esters via ... See more keywords
Copper-catalysed asymmetric annulation of yne-allylic esters with amines to access axially chiral arylpyrroles
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DOI: 10.1038/s41467-024-50896-8
Abstract: The construction of atropisomers with 1,2-diaxes, while maintaining high enantiocontrol, presents a significant challenge due to the dynamic nature of steric hindrance at ortho-aryl substituents. Although various catalytic asymmetric methods have been developed for accessing… read more here.
Keywords: axially chiral; allylic esters; chiral arylpyrroles; copper catalysed ... See more keywords