TEMPLATE REACTIONS: AXIAL-LIGATION AND MACROCYCLIZATION OF ALPHA-FURILGLYOXIMATES AND ALPHA-AMINEDIOXIMATES OF COBALT(III) AND RHODIUM(III)
- 1 December 1988
- journal article
- research article
- Published by Taylor & Francis in Journal of Coordination Chemistry
- Vol. 18 (4) , 339-349
- https://doi.org/10.1080/00958978808080974
Abstract
A series of cobaloximes were synthesized from a-furilglyoximates and a-aminedioximates of cobalt(II), cobalt(III) and rhodium(III) and monodentate ligands having different inductive and steric requirements. The six-coordinate H-bonded macrocycles initially formed were used as metal templates to prepare the corresponding BF2 -capped macrocycles. Characterization of the complexes was carried out by magnetic, spectroscopic, 'H and 13 C nmr measurements as well as elemental analysis. The cobaloximes reported are quite stable and mimic the metal core of several biological molecules such as vitamin B12.Keywords
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