Kinetic resolution of olefins

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 301/12 (2006.01) C07B 53/00 (2006.01) C07B 57/00 (2006.01) C07D 301/14 (2006.01) C07D 301/19 (2006.01) C07D 303/04 (2006.01) C07D 303/16 (2006.01) C07D 303/22 (2006.01) C07D 303/40 (2006.01) C07H 9/04 (2006.01)

Patent

CA 2328299

A method for kinetically resolving a stereoisomer mixture of compounds using asymmetric epoxidation is provided. Compounds contain an olefin moiety providing one stereoisomer to be epoxidized at a higher rate than the other stereoisomer using a chiral ketone and an oxidizing agent.

La présente invention concerne un procédé de résolution cinétique d'un mélange stéréoisomère de composés. Ce procédé fait appel à une époxydation asymétrique. En l'occurrence, ces composés contiennent un radical oléfine fournissant un stéréoisomère qui subira l'époxydation à une vitesse plus élevée que l'autre stéréoisomère. On utilise pour cette époxydation une cétone chirale et un oxydant.

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