Stereospecific enrichment of heterocyclic enantiomers

Details Stereospecific enrichment of heterocyclic enantiomers Stereospecific enrichment of heterocyclic enantiomers

C - Chemistry, Metallurgy

07

D

C07D 215/36 (2006.01) C07B 57/00 (2006.01)

Patent

CA 2464659

The present invention describes methods for the stereoselective synthesis of heterocyclic enantiomers. The methods of the present invention incorporate the stereo-preferred oxidation of quinolone thiomethyl intermediates by optically active camphor based oxaziridines to provide R(+) or S(-) quinolone methylsulfinyl derivatives.

L'invention concerne des procédés de synthèse stéréosélective d'énantiomères hétérocycliques. Les procédés de l'invention comprennent l'oxydation stéréosélective préférée de produits intermédiaires de thiométhyle de quinolone par l'intermédiaire d'oxaziridines à base de camphre optiquement actives, de manière à obtenir des dérivés de méthylsulfinyle de quinolone R(+) ou S(-).

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