Рубрики:
1,3-DIOXA-6-AZA-2-SILACYCLOOCTANES
DIETHANOLAMINES
DERIVATIVES
SILATRANES
REACTIVITY
NITROGEN
ELEMENTS
Кл.слова (ненормированные):
Pentacoordinate silicon -- 1-Fluoro-1-aryl-5-methylquasisilatranes -- Synthesis -- X-ray diffraction
1,3-DIOXA-6-AZA-2-SILACYCLOOCTANES
DIETHANOLAMINES
DERIVATIVES
SILATRANES
REACTIVITY
NITROGEN
ELEMENTS
Кл.слова (ненормированные):
Pentacoordinate silicon -- 1-Fluoro-1-aryl-5-methylquasisilatranes -- Synthesis -- X-ray diffraction
Аннотация: A series of new pentacoordinate intramolecular organosilicon complexes F(Ar)Si(OCH2CH2)2NMe (Ar = 4-MeC6H4 (1), 4-MeOC6H4 (2), 4-ClC6H4 (3), 2-BrC6H4 (4), 3-NO2C6H4 (5)) has been synthesized by transsilylation of aryltrifluorosilanes ArSiF3 by N-methyl-bis(2-trimethylsiloxyethyl)amine. Compounds 1–5 have been fully characterized by 1H, 13C, 19F, 29Si NMR spectroscopy and X-ray diffraction analysis (for compound 3). Variable-temperature 19F NMR studies of 5 indicate stereodynamic process of the ligand exchange with activation barrier Δ G c ≠ of 13.1 kcal mol−1.
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Держатели документа:
Russian Acad Sci, Siberian Branch, AE Favorsky Irkutsk Inst Chem, Irkutsk 664033, Russia
East Siberian State Acad Educ, Irkutsk 664011, Russia
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Доп.точки доступа:
Voronkov, M. G.; Воронков, Михаил Григорьевич; Grebneva, E. A.; Albanov, A. I.; Zel'bst, E. A.; Зельбст, Элеонора Абрамовна; Trofimova, O. M.; Трофимова, Ольга Михайловна; Vasil'ev, A. D.; Васильев, Александр Дмитриевич; Chernov, N. F.; Timofeeva, E. N.; Found of President of Russian Federation [3649.2014.3]; Russian Foundation for Basic Research [14-03-31381 \14]