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Use as a Chiral Auxiliary. (5)-Ethyl lactate has been used as a chiral auxiliary in a variety of simple Diels-Alder reactions. As the fumaric acid diester, the de employing cyclopentadiene can almost be completely reversed by addition of Titanium(IV) Chloride (eq 8). In general, superior de values are achieved using (R)-Pantolactone in this context, and also for base-mediated addition to ketenes. ... [Pg.336]

See other pages where Pantolactone-based chiral auxiliaries Diels-Alder reaction is mentioned: [Pg.155]

See also in sourсe #XX -- [ Pg.393 , Pg.394 ]

See also in sourсe #XX -- [ Pg.393 , Pg.394 ]

See also in sourсe #XX -- [ Pg.393 , Pg.394 ]