Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume -, Issue -, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202300858
Keywords
asymmetric reaction; benzoin reaction; density functional theory calculation; N-heterocyclic carbene; organocatalysis
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The remote electronic effect of a chiral aminoindanol-derived N-heterocyclic carbene catalyst on an asymmetric benzoin reaction was investigated. The catalyst containing remote electron-withdrawing substituents increased the enantioselectivity of the reaction, albeit at the expense of the reaction rate. DFT calculations provided a rationale for the enhanced enantioselectivity.
A remote electronic effect of chiral aminoindanol-derived N-heterocyclic carbene catalyst on an asymmetric benzoin reaction was investigated. The catalyst bearing remote electron-withdrawing substituents increased enantioselectivity of the reaction at the cost of the reaction rate. DFT calculations rationalized the increased enantioselectivity.
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