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Asymmetric Synthesis of alpha-Substituted beta-Nitrophosphonic Acids by Phospha-Analogous Michael Addition to Aromatic Nitroalkenes This work was supported by the Deutsche Forschungsgemeinschaft (Sonderforschungsbereich 380) and by the Fonds der Chemischen Industrie. We thank Jens Hasenjäger for his contribution to the experimental part of this work and the companies Degussa AG, BASF AG, and Bayer AG for the donation of chemicals
New Chiral Auxiliaries for the Construction of Quaternary Stereocenters by Copper-Catalyzed Michael Reactions This work was supported by the Deutsche Forschungsgemeinschaft and the Fonds der Chemischen Industrie. We are also grateful to the Degussa-Hüls AG for gifts of amino acids and to Prof. Dr. S. Blechert for his support
Verfahren zum Herstellen von korrosions-beständigen Eisenmetallwerkstücken mit Beibehaltung ihrer Reibungseigenschaften durch Nitrieren und anschliessendem Oxidieren.