Chirality transfer during alkylation of chiral amides.
Identifieur interne : 000027 ( Ncbi/Merge ); précédent : 000026; suivant : 000028Chirality transfer during alkylation of chiral amides.
Auteurs : Takeo Kawabata [Japon] ; Orhan Oztürk ; Jianyong Chen ; Kaoru FujiSource :
- Chemical communications (Cambridge, England) [ 1359-7345 ] ; 2003.
Abstract
Chiral amides derived from O-methyl mandelic acid and achiral amines underwent enantioselective alpha-methylation on treatment with LTMP followed by addition of methyl iodide; chirality transfer from an undeprotonated chiral amide into an achiral enolate in a mixed aggregate is supposed to be responsible for the asymmetric induction.
PubMed: 12611016
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pubmed:12611016Le document en format XML
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<front><div type="abstract" xml:lang="en">Chiral amides derived from O-methyl mandelic acid and achiral amines underwent enantioselective alpha-methylation on treatment with LTMP followed by addition of methyl iodide; chirality transfer from an undeprotonated chiral amide into an achiral enolate in a mixed aggregate is supposed to be responsible for the asymmetric induction.</div>
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<Abstract><AbstractText>Chiral amides derived from O-methyl mandelic acid and achiral amines underwent enantioselective alpha-methylation on treatment with LTMP followed by addition of methyl iodide; chirality transfer from an undeprotonated chiral amide into an achiral enolate in a mixed aggregate is supposed to be responsible for the asymmetric induction.</AbstractText>
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