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Schönenberger, Helmut and Vogel, H. and Bamann, E. (1965) Synthesis of local anesthetics. Archiv der Pharmazie und Berichte der Deutschen Pharmazeutischen Gesellschaft 298 (6), pp. 371-378.
Schönenberger, Helmut and Brinkmann, R. and Bamann, E. (1964) Constitution and pharmacological activity of N-aminoacylephedrines, a new class of local anesthetics. Kongr. Pharm. Wiss., Vortr. Originalmitt., 23., Muenster, (Westfalen), Ger. 1963, pp. 361-367.
Schönenberger, Helmut and Brinkmann, R. and Bamann, E. (1964) Reduction of Schiff bases with activated aluminum. Kongr. Pharm. Wiss, Vortr. Originalmitt., 23.Muenster, (Westfalen), Ger. 1963, pp. 321-329.
Schönenberger, Helmut and Brinkmann, R. and Bamann, E. (1964) Separation of organic bases by Craig distribution. III. Distribution behavior of diastereoisomeric N,N'-dibutyl-alpha ,alpha '-diphenylethylenediamines. Archiv der Pharmazie und Berichte der Deutschen Pharmazeutischen Gesellschaft 297 (1), pp. 51-58.
Schönenberger, Helmut and Brinkmann, R. and Bamann, E. (1964) Separation of organic bases by Craig partition. V. Synthesis and separation of aminoacylephedrine isomers, a new class of local anesthetics. Archiv der Pharmazie und Berichte der Deutschen Pharmazeutischen Gesellschaft 297 (12), pp. 721-727.
Schönenberger, Helmut and Brinkmann, R. and Bamann, E. (1964) Synthesis and Purification of Isomeric Aminoacylephedrine, a New Class of Local Anesthetics. 5. On the Separation of Organic Bases by the Craig Distribtion. Archiv der Pharmazie und Berichte der Deutschen Pharmazeutischen Gesellschaft 297, pp. 721-727.
Schönenberger, Helmut and Brinkman, R. and Bamann, E. (1963) Resolution of N-(DL-N,N-dimethylalanyl)-L-y-ephedrine into its stereoisomeric forms of Craig partition. The possibility of resolution of racemic amino acids into optical isomers using countercurrent methods. Archiv der Pharmazie und Berichte der Deutschen Pharmazeutischen Gesellschaft 296, pp. 33-37.
Wrba, Heinrich and Schönenberger, Helmut and Bamann, E. and Lang, R. (1961) Der Gehalt an freien Nucleotiden bei verschiedenen Funktionszuständen der Rattenleber. Naturwissenschaften 48, pp. 625-626.