Base-promoted lipase-catalyzed kinetic resolution of atropisomeric 1,1′-biaryl-2,2′-diols
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DOI: 10.1039/c8ra09070j
Abstract: The addition of a stoichiometric amount of Na2CO3 dramatically accelerates the lipase-catalyzed kinetic resolution of a range of atropisomeric 1,1′-biaryl-2,2′-diols. read more here.
Keywords: kinetic resolution; biaryl diols; catalyzed kinetic; atropisomeric biaryl ... See more keywords
Direct enantioseparation of axially chiral 1,1′-biaryl-2,2′-diols using amidine-based resolving agents
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DOI: 10.1039/d1ra03546k
Abstract: Amidine-based optically active resolving agents for enantiomer separation of axially chiral 1,1′-biaryl-2,2′-diols have been developed. A strongly basic amidine bearing no substituents on its nitrogen atoms enables the formation of their diastereomeric salts upon being… read more here.
Keywords: axially chiral; resolving agents; biaryl diols; amidine ... See more keywords
Brønsted Acid Catalyzed Asymmetric Silylation of Biaryl Diols
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DOI: 10.1055/a-2100-1575
Abstract: We report a Brønsted acid catalyzed enantioselective silylation of biaryl diols with an allylsilane as silicon source. This process enables facile access to enantioenriched biaryl silyl ethers with an axial stereogenicity. A control experiment supports… read more here.
Keywords: nsted acid; biaryl diols; acid catalyzed; silylation biaryl ... See more keywords