Ulrich Schwieter
Hoffmann-La Roche
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Featured researches published by Ulrich Schwieter.
Vitamins and Hormones Series | 1961
O. Isler; R. Rüegg; Ulrich Schwieter; J. Würsch
Publisher Summary Ever since the elucidation of the structure of vitamin A by Karrer, the synthesis of this rather unstable pentaene alcohol has been a challenge to chemists. Owing to patient and continuous efforts in many laboratories, there seems to be today an excellent picture of the possible synthetic routes to vitamin A. Although a wealth of information has been gathered on its synthesis, relatively little is known about the functions of vitamin A in the body. Knowledge on this subject broadened beginning with the advent of radioactive tracer methods. It therefore seems justified to take stock of the synthetic methods available, and to examine them as to their usefulness for the preparation of selectively labeled vitamin A compounds. These compounds will undoubtedly help the biochemists in their patient and often laborious investigations of the biological pathways that vitamin A and certain related compounds seem to control.
Helvetica Chimica Acta | 1958
R. A. Morton; U. Gloor; O. Schindler; G. M. Wilson; L. H. Chopard‐dit‐Jean; F. W. Hemming; O. Isler; W. M. F. Leat; J. F. Pennock; R. Rüegg; Ulrich Schwieter; O. Wiss
Helvetica Chimica Acta | 1959
R. Rüegg; Marc Montavon; Gottlieb Ryser; Gabriel Saucy; Ulrich Schwieter; O. Isler
Helvetica Chimica Acta | 1959
M. Kofler; A. Langemann; R. Rüegg; U. Gloor; Ulrich Schwieter; J. Würsch; O. Wiss; O. Isler
Helvetica Chimica Acta | 1976
Hans Mayer; Norbert Rigassi; Ulrich Schwieter; Basil C. L. Weedon
Helvetica Chimica Acta | 1966
Ulrich Schwieter; H. Gutmann; H. Lindlar; Roman Marbet; Norbert Rigassi; R. Rüegg; S. F. Schaeren; O. Isler
Helvetica Chimica Acta | 1959
O. Isler; Waldemar Guex; R. Rüegg; Gottlieb Ryser; Gabriel Saucy; Ulrich Schwieter; M. Walter; A. Winterstein
Helvetica Chimica Acta | 1959
R. Rüegg; H. Lindlar; Marc Montavon; Gabriel Saucy; S. F. Schaeren; Ulrich Schwieter; O. Isler
Helvetica Chimica Acta | 1959
Paul Zeller; F. Bader; H. Lindlar; Marc Montavon; Peter Müller; R. Rüegg; Gottlieb Ryser; Gabriel Saucy; S. F. Schaeren; Ulrich Schwieter; K. Stricker; R. Tamm; P. Zürcher; O. Isler
Helvetica Chimica Acta | 1966
Ulrich Schwieter; R. Rüegg; O. Isler