About: Alumazene adducts with triphenylphosphine oxide

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	1,3,5-trimethyl-2,4,6-tris(2,6-diisopropylphenyl)alumazene [2,6-(i-Pr)2C6H3NAlMe]3, (1) is a benzene-like iminoalane with a planar hexagonal (Al-N)3 core. The aluminum centers are highly Lewis acidic due to the low delocalization of nitrogen lone pairs. We examined the alumazene ability to form acid-base adducts with triphenylphosphine oxide. Both monoadduct, 1(OPPh3), (2) and bisadduct 1(OPPh3)2, (3) were prepared, isolated, and spectroscopically characterized. Their molecular structures were determined by the single-crystal X-ray diffraction method. The monoadduct 2 displays a boat conformation of the central ring with very short Al[sbnd]N bonds (1.779, 1.769(2) Å). The bisadduct 3 features the expected trans geometry in contrast to the previously reported bisadduct cis-1[OP(OMe)3]2. A different behavior of 2 and 3 in solution was observed by NMR spectroscopy. 1,3,5-trimethyl-2,4,6-tris(2,6-diisopropylphenyl)alumazene [2,6-(i-Pr)2C6H3NAlMe]3, (1) is a benzene-like iminoalane with a planar hexagonal (Al-N)3 core. The aluminum centers are highly Lewis acidic due to the low delocalization of nitrogen lone pairs. We examined the alumazene ability to form acid-base adducts with triphenylphosphine oxide. Both monoadduct, 1(OPPh3), (2) and bisadduct 1(OPPh3)2, (3) were prepared, isolated, and spectroscopically characterized. Their molecular structures were determined by the single-crystal X-ray diffraction method. The monoadduct 2 displays a boat conformation of the central ring with very short Al[sbnd]N bonds (1.779, 1.769(2) Å). The bisadduct 3 features the expected trans geometry in contrast to the previously reported bisadduct cis-1[OP(OMe)3]2. A different behavior of 2 and 3 in solution was observed by NMR spectroscopy. (en)
Title	Alumazene adducts with triphenylphosphine oxide Alumazene adducts with triphenylphosphine oxide (en)
skos:prefLabel	Alumazene adducts with triphenylphosphine oxide Alumazene adducts with triphenylphosphine oxide (en)
skos:notation	RIV/00216224:14310/06:00016265!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/04/0296), Z(MSM0021622410)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Löbl, Jiří Nečas, Marek Pinkas, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	464679
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/06:00016265
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Alumazene; Single-crystal X-ray diffraction; Iminoalane; Triphenylphosphine oxide; Lewis acid-base adducts (en)
http://linked.open.../riv/klicoveSlovo	Iminoalane Lewis acid-base adducts Single-crystal X-ray diffraction Triphenylphosphine oxide Alumazene
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[899146BC10D5]
http://linked.open...i/riv/nazevZdroje	Main Group Chemistry
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Sonochemical synthesis of oxide and phosphate materials
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	5
http://linked.open...iv/tvurceVysledku	Nečas, Marek Pinkas, Jiří Löbl, Jiří
http://linked.open...n/vavai/riv/zamer	Physical and chemical properties of advanced materials and structures
issn	1024-1221
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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