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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Verpekin, Victor V., Chudin, Oleg S., Vasiliev A. D., Kondrasenko, Alexander A., Shor, Aleksey M., Burmakina, G. V., Zimonin, D. V., Maksimov, N. G., Rubaylo, A. I.
Заглавие : Trinuclear ReFePt clusters with a μ3-phenylvinylidene ligand: synthetic approaches, rearrangement of vinylidene, and redox-induced transformations
Коллективы :
[0287-2021-0012]
Место публикации : Dalton Trans. - 2022. - Vol. 51, Is. 1. - P.324-339. - ISSN 1477-9226, DOI 10.1039/d1dt03750a. - ISSN 1477-9234(eISSN)
Примечания : Cited References: 66. - This work was conducted within the framework of the budget project # 0287-2021-0012 for Institute of Chemistry and Chemical Technology SB RAS using the equipment of Krasnoyarsk Regional Research Equipment Centre of Federal Research Centre, SB RAS
Предметные рубрики: RAY CRYSTAL-STRUCTURE
METAL-METAL
HETEROBIMETALLIC COMPLEXES
Аннотация: A series of trinuclear μ3-vinylidene ReFePt clusters were synthesized by the application of two approaches: (i) reactions of the binuclear RePt μ-vinylidene complexes with Fe2(CO)9; (ii) ligand substitution or exchange reactions at the Pt atom in the synthesized ReFePt clusters. The molecular structures of CpReFePt(μ3-C==CHPh)(CO)5[P(OEt)3]L [L = CO; P(OEt)3] were determined by an X-ray diffraction study. The obtained compounds were studied by IR and 1H, 13C and 31P NMR spectroscopy. The spectroscopic study revealed that the clusters CpReFePt(μ3-C==CHPh)(CO)5[P(OEt)3]L [L = CO; P(OEt)3] and CpReFePt(μ3-C==CHPh)(CO)6[P(OPri)3] undergo isomerization upon dissolution, resulting in three isomers with different positions of the μ3-vinylidene ligand over the ReFePt core. The redox properties of the clusters were studied by electrochemical methods. The relatively stable cation-radicals obtained by chemical oxidation of CpReFePt(μ3-C==CHPh)(CO)6[P(OPri)3] and CpReFePt(μ3-C==CHPh)(CO)5[P(OEt)3]2 with ferrocenium tetrafluoroborate were characterized by EPR spectroscopy.
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