Volume 24, Issue 10 pp. 867-869
Communication
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The First Chemical Partial Synthesis of the Nickel Complex of a Cobyrinic Acid Derivative

Dipl.-Chem. Gerhard Holze

Corresponding Author

Dipl.-Chem. Gerhard Holze

Institut de Chimie Organique de l'Université Pérolles, CH-1700 Friboug (Switzerland)

Institut de Chimie Organique de l'Université Pérolles, CH-1700 Friboug (Switzerland)Search for more papers by this author
Prof. Dr. Hans Herloff Inhoffen

Prof. Dr. Hans Herloff Inhoffen

Fakultät für Chemie der Universität, D-7750 Konstanz (FRG)

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First published: October 1985
Citations: 15

We thank Professor Dr. A. Gossauer for support of this work.

Dedicated to Professor Albert Eschenmoser on the occasion of his 60th birthday

Graphical Abstract

The transmetalation of a vitamin B12 building block was achieved as follows: oxidation of 1, NCo(CN)2, to the seco compound, demetalation, reaction with Ni(ClO4)2, and recyclization at 100°C to give 1, MNiClO4. Corrinoids of this kind, containing metal ions other than cobalt, were previously only accessible from natural metal-free corrinods or by total synthesis.

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