Zinc(II) Hexafluoroacetylacetonate Complexes of Alkoxyamines: NMR and Kinetic Investigations. First Step for a New Way to Prepare Hybrid Materials.

Gérard Audran, Elena Bagryanskaya, Irina Bagryanskaya, Mariya Edeleva, Sylvain R.A. Marque, Dmitriy Parkhomenko, Evgeny Tretyakov, Svetlana Zhivetyeva

Результат исследования: Научные публикации в периодических изданияхстатья

11 Цитирования (Scopus)

Аннотация

A series of Zn(hfac)2 alkoxyamines (diethyl(2,2-dimethyl-1-(tert-butyl-(1-pyridylethoxy)amino)propyl)phosphonate) coordinated at ortho, meta and para positions of their pyridyl moiety were prepared and their homolysis rate constants kd measured. Up to a 30-fold increase in kd was observed for the meta-(Zn-RR/SS) and para-(Zn-RR/SS) regioisomers. Moreover, the activation is also controlled by the amount of pyridine, used as a ligand competitor. XRD, 1H and 31P NMR spectra show very different structures for each complexes in solid state and in solution depending on the diastereosiomers and on the regioisomers.

Язык оригиналаанглийский
Страницы (с-по)3584-3593
Число страниц10
ЖурналChemistrySelect
Том2
Номер выпуска12
DOI
СостояниеОпубликовано - 24 апр 2017

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