Technetium(I) Tricarbonyl Complexes with a Combination of Bidentate NN Heterocyclic Imines (NN = 2,2'-Bipyridine or 1,10-Phenanthroline) and Adenine

IF 0.9 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Radiochemistry Pub Date : 2026-02-08 DOI:10.1134/S1066362225060049

A. E. Miroslavov, M. Yu. Tyupina, A. P. Sakhonenkova, V. V. Gurzhiy, A. R. Kochergina

引用次数: 0

Abstract

“2+1” technetium tricarbonyl complexes [⁹⁹Tc(CO)₃(NN)(Ad)]ClO₄ with a combination of bidentate NN heterocyclic imines [NN = 2,2'-bipyridine (bipy) or 1,10-phenanthroline (phen)] and adenine (Ad) were prepared. The complexes were isolated pure and characterized by IR and ⁹⁹Tc NMR spectroscopy in solution. The solid-state structure of the complexes was determined by single crystal X-ray diffraction. Both in solution and in the solid phase, adenine is coordinated to technetium via either imidazole or pyrimidine nitrogen atom to form two coordination isomers.

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双齿NN杂环亚胺（NN = 2,2′-联吡啶或1,10-菲罗啉）和腺嘌呤组合的锝(I)三羰基配合物

制备了双齿NN杂环亚胺[NN = 2,2′-联吡啶（bipy）或1,10-菲罗啉（phen）]与腺嘌呤（Ad）结合的“2+1”锝三羰基配合物[99Tc(CO)3(NN)(Ad)]ClO4。该配合物经分离纯化，并用IR和99Tc NMR在溶液中进行了表征。通过单晶x射线衍射测定了配合物的固态结构。在固相和溶液中，腺嘌呤通过咪唑或嘧啶氮原子与锝配位，形成两个配位异构体。

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来源期刊

Radiochemistry CHEMISTRY, INORGANIC & NUCLEAR-

CiteScore

1.30

自引率

33.30%

发文量

期刊介绍： Radiochemistry is a journal that covers the theoretical and applied aspects of radiochemistry, including basic nuclear physical properties of radionuclides; chemistry of radioactive elements and their compounds; the occurrence and behavior of natural and artificial radionuclides in the environment; nuclear fuel cycle; radiochemical analysis methods and devices; production and isolation of radionuclides, synthesis of labeled compounds, new applications of radioactive tracers; radiochemical aspects of nuclear medicine; radiation chemistry and after-effects of nuclear transformations.