Mechanism of Carbonylation Reactions of Technetium-99m

G. E. Kodina; A. O. Malysheva; O. E. Klement'eva; A. A. Inkin; N. I. Gorshkov; A. A. Lumpov; D. N. Suglobov

doi:10.14494/jnrs2000.6.3_183

Journal of Nuclear and Radiochemical Sciences

Online ISSN : 1883-5813
Print ISSN : 1345-4749
ISSN-L : 1345-4749

Mechanism of Carbonylation Reactions of Technetium-99m

G. E. Kodina, A. O. Malysheva, O. E. Klement'eva, A. A. Inkin, N. I. Gorshkov, A. A. Lumpov, D. N. Suglobov

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JOURNAL FREE ACCESS

2005 Volume 6 Issue 3 Pages 183-185

DOI https://doi.org/10.14494/jnrs2000.6.3_183

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Abstract

The aim of this work was to study products produced in basic and acidic media upon atmospheric pressure and high-pressure carbonylation and to propose probable mechanism of reaction. It was found that tricarbonyltechnetium (I) fragment forms strong complexes with charged ligands. The polydentate anions (like citrate anion), which occupies three coordination places in octahedral technetium arrangement forms strongest complexes. So Tc (CO) ₃ moiety in aqueous solutions exhibits properties of a typical d-element and a “soft” acid.

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