Diastereoselective syntheses O 0031Diastereoselective Addition of Grignard Reagents to Chiral α-Ketoimides Derived from Oppolzer's Sultam. -The stereochemical course of the title reaction is investigated. The change in asymmetric induction between the pyruvoyl-and the phenylglyoxyloyl-substituted sultams (I) and (V), resp., as well as between the different alkylmagnesium halides (VIII) is remarkable. -(RASZPLEWICZ, K.; SIKORSKA, L.; KIEGIEL, K.; BALAKIER, T.; JURCZAK*, J.; Pol. J. Chem. 79 (2005) 12, 1901-1907; Dep. Chem., Univ. Warsaw, PL-02-093 Warsaw, Pol.; Eng.) -H. Haber 18-030
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