Molecular Design and Structural Pecularities of the 3- and 4-Pyridylboron-Capped tris-Glyoximate and tris-Dichloroglyoximate Iron(II) Clathrochelates with Apical Donor Groups Научная публикация
| Журнал |
Polyhedron
ISSN: 0277-5387 |
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| Вых. Данные | Год: 2019, Том: 160, Страницы: 108-114 Страниц : 7 DOI: 10.1016/j.poly.2018.12.031 | ||||||||||
| Ключевые слова | Macrocyclic compounds; Clathrochelates; Iron complexes; Ligand reactivity; Metallocomplex ligands | ||||||||||
| Авторы |
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| Организации |
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Информация о финансировании (5)
| 1 | Российский научный фонд | 17-13-01468 |
| 2 | Российский фонд фундаментальных исследований | 17-03-00587 (АААА-А17-117041210400-5) |
| 3 | Российский фонд фундаментальных исследований | 18-03-00675 (АААА-А18-118020190244-6) |
| 4 | Совет по грантам Президента Российской Федерации | МК-2179.2017.3 |
| 5 | Министерство образования и науки Российской Федерации | 4.6718.2017/6.7 |
Реферат:
Tris-glyoximate and tris-dichloroglyoximate iron(II) clathrochelates with apical pyridyl groups were obtained through one-pot template condensation of the corresponding α-dioxime with 3- or 4-pyridylboronic acids on the iron(II) ion as a matrix under vigorous reaction conditions using the boiling CF3COOH as a solvent. The initially formed mixtures of mono- and diprotonated clathrochelate species were converted into the target macrobicyclic intracomplexes under basic conditions. These complexes were characterized using elemental analysis, MALDI-TOF mass spectrometry, IR, UV–Vis, 1H and 13C NMR spectroscopies, and by single crystal X-ray diffraction as well. In their molecules, the encapsulated iron(II) ion is situated in the center of its FeN6-coordination polyhedron. The geometry of all the FeN6-coordination polyhedra is intermediate between a trigonal prism and a trigonal antiprism with the average distortion angles φ from 16.7 to 17.7°. Their heights h fall from 2.36 to 2.38 Å and the averaged bite angles α vary in a narrow range 78.2–78.4°. Characteristic feature of the 3- and 4-pyridylboron-capped glyoximate clathrochelate molecules, as compared with their aliphatic and aromatic analogs, is shortening of the chelate CC bonds from 1.45 to 1.42 Å. Comparison of the values of a ligand aspect ratio for the obtained new pyridyl-terminated iron(II) clathrochelates with those for their known aliphatic tris-dioximate analogs was performed.
Библиографическая ссылка:
Zelinskii G.E.
, Belov A.S.
, Vologzhanina A.V.
, Limarev I.P.
, Dorovatovskii P.V.
, Zubavichus Y.V.
, Lebed E.G.
, Voloshin Y.Z.
, Dedov A.G.
Molecular Design and Structural Pecularities of the 3- and 4-Pyridylboron-Capped tris-Glyoximate and tris-Dichloroglyoximate Iron(II) Clathrochelates with Apical Donor Groups
Polyhedron. 2019. V.160. P.108-114. DOI: 10.1016/j.poly.2018.12.031 WOS Scopus РИНЦ CAPlus OpenAlex
Molecular Design and Structural Pecularities of the 3- and 4-Pyridylboron-Capped tris-Glyoximate and tris-Dichloroglyoximate Iron(II) Clathrochelates with Apical Donor Groups
Polyhedron. 2019. V.160. P.108-114. DOI: 10.1016/j.poly.2018.12.031 WOS Scopus РИНЦ CAPlus OpenAlex
Даты:
| Поступила в редакцию: | 31 окт. 2018 г. |
| Принята к публикации: | 15 дек. 2018 г. |
| Опубликована online: | 25 дек. 2018 г. |
| Опубликована в печати: | 1 мар. 2019 г. |
Идентификаторы БД:
| Web of science: | WOS:000459518800015 |
| Scopus: | 2-s2.0-85059469124 |
| РИНЦ: | 38685308 |
| Chemical Abstracts: | 2019:13740 |
| OpenAlex: | W2906615295 |