Polyamino acid-catalysed process for the enantioselective...

Details Polyamino acid-catalysed process for the enantioselective... Polyamino acid-catalysed process for the enantioselective...

C - Chemistry, Metallurgy

07

B

C07B 33/00 (2006.01) C07D 301/02 (2006.01) C07D 303/32 (2006.01) C07D 303/48 (2006.01)

Patent

CA 2394978

A novel process makes it possible to epoxidize .alpha.,.beta.-unsaturated enones or .alpha.,.beta.-unsaturated sulphones in a two-phase system without addition of water in the presence of an organic solvent, of a base, of an oxidant, of a diastereomer- and enantiomer-enriched homo-polyamino acid which has not been separately preactivated as catalyst, and a specific phase-transfer catalyst as cocatalyst with high conversions and enantiomeric excesses.

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