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Alkene Hydrogenation with Organocatalysts

A pyrrolidine-thiourea organocatalyst (69) facilitates Michael addition of cyclohexanone to both aryl and alkyl nitroalkenes with up to 98% de and ee 202 The bifunctional catalyst (69) can doubly hydrogen bond to the nitro group, leaving the chiral heterocycles positioned for cyclohexyl enamine formation over one face of the alkene. [Pg.26]

See other pages where Alkene Hydrogenation with Organocatalysts is mentioned: [Pg.28]    [Pg.28]    [Pg.418]    [Pg.9]    [Pg.311]    [Pg.141]    [Pg.263]    [Pg.1709]    [Pg.70]    [Pg.202]    [Pg.56]   


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Alkenes hydrogenation

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