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Acetals as Chiral Auxiliaries. There have been many applications of acetals of 2,4-pentanediol as chiral auxiliaries to control the diastereoselectivity of reactions on another functional group. Examples include cyclopropanation of alkenyl dioxanes, lithium amide-mediated isomerization of epoxides to allylic alcohols, and addition of dioxane-substituted Grignard reagents or organolithiums to aldehydes. [Pg.469]

See other pages where Acetals as chiral auxiliaries is mentioned: [Pg.104] [Pg.97] [Pg.586] [Pg.244]

See also in sourсe #XX -- [ Pg.4 , Pg.327 ]