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Re(i)-nitroxide complexes Full article

Journal RSC Advances
ISSN: 2046-2069
Output data Year: 2021, Volume: 11, Number: 32, Pages: 19902-19907 Pages count : 6 DOI: 10.1039/d1ra02159a
Tags cyrhetrenes, nitronyl nitroxide, EPR, CV, XRD, magnetochemistry
Authors Maryunina Kseniya 1 , Letyagin Gleb 1,2 , Bogomyakov Artem 1,2,3 , Morozov Vitaly 1,2 , Tumanov Sergey 1,2 , Veber Sergey 1,2 , Fedin Matvey 1,2 , Saverina Evgeniya 3 , Syroeshkin Mikhail 3 , Egorov Mikhail 3 , Romanenko Galina 1 , Ovcharenko Victor 1,3
Affiliations
1 International Tomography Center SB RAS, Institutskaya Str. 3a, 630090 Novosibirsk, Russia
2 Novosibirsk State University, Pirogova Str. 1, 630090 Novosibirsk, Russia
3 N. D. Zelinsky Institute of Organic Chemistry RAS, Leninsky Prospect, 47, Moscow, Russia

Abstract: Spin-labeled cyrhetrenes [(NNCp)Re(CO)3] and [(INCp)Re(CO)3], where NNCp is nitronyl nitroxide 2-(h5-cyclopentadienyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazole-3-oxide-1-oxyl and INCp is the corresponding imino nitroxide, were synthesized and characterized by EPR, CV, XRD, magnetochemistry and quantum chemistry methods. The correlations between different arrangements of paramagnetic centers and the magnetic exchange interactions for three polymorphs of [(NNCp)Re(CO)3] were studied. It was concluded that high kinetic stability of nitroxide-substituted cyrhetrenes is a promising feature of compounds for the creation of multifunctional contrast agents.
Cite: Maryunina K. , Letyagin G. , Bogomyakov A. , Morozov V. , Tumanov S. , Veber S. , Fedin M. , Saverina E. , Syroeshkin M. , Egorov M. , Romanenko G. , Ovcharenko V.
Re(i)-nitroxide complexes
RSC Advances. 2021. V.11. N32. P.19902-19907. DOI: 10.1039/d1ra02159a WOS Scopus
Dates:
Published online: Jun 2, 2021
Identifiers:
Web of science: WOS:000660243300061
Scopus: 2-s2.0-85107825844
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