2003
DOI: 10.1002/zaac.200390017
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Darstellung, Charakterisierung und Reaktionsverhalten von Natrium‐ und Kaliumhydridosilylamiden R2(H)Si—N(M)R′ (M = Na, K) — Kristallstruktur von [(Me3C)2(H)Si—N(K)SiMe3]2·THF

Abstract: Die Alkalimetallhydridosilylamide R2(H)Si—N(M)R′ 1a‐Na—1d‐Na und 1a‐K—1d‐K (a: R = Me, R′ = CMe3; b: R = Me, R′ = SiMe3; c: R = Me, R′ = Si(H)Me2; d: R = CMe3, R′ = SiMe3) wurden durch Reaktion der entsprechenden Hydridosilylamine 1a—1d mit dem Alkalimetall M (M = Na, K) in Gegenwart von Styrol oder mit Alkalimetallhydrid MH (M = Na, K) dargestellt. Mit NaNH2 in Toluol reagierte Me2(H)Si—NHCMe3 (1a) nicht unter Metallierung, sondern unter nucleophiler Substitution des H(Si)‐Atoms zum Amid Me2(NaNH)Si—NHCMe3 (5… Show more

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Cited by 14 publications
(12 citation statements)
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References 48 publications
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“…The bond lengths between P and terminal O [1] atoms ranging from 146.3(4) to 153.3(5) pm (average 149.5 pm) are significantly shorter than the bond lengths between P and the bridging O [2] atoms (155.7(4) Ϫ 161.8(4) pm, average 159.1 pm). They agree very well with typical bond lengths inside phosphate chains in catena-pentaphosphates [2,9,18]. The OϪPϪO angles are in average (109.3°), close to the tetrahedral angle.…”
Section: Crystal Structuresupporting
confidence: 82%
See 3 more Smart Citations
“…The bond lengths between P and terminal O [1] atoms ranging from 146.3(4) to 153.3(5) pm (average 149.5 pm) are significantly shorter than the bond lengths between P and the bridging O [2] atoms (155.7(4) Ϫ 161.8(4) pm, average 159.1 pm). They agree very well with typical bond lengths inside phosphate chains in catena-pentaphosphates [2,9,18]. The OϪPϪO angles are in average (109.3°), close to the tetrahedral angle.…”
Section: Crystal Structuresupporting
confidence: 82%
“…The OϪPϪO angles are in average (109.3°), close to the tetrahedral angle. As observed previously in catenaphosphates [2,9], the angles O br Ϫ P Ϫ O br (br ϭ bridging) are significantly smaller compared with the angles O term Ϫ P Ϫ O term (term ϭ terminal) presumably due to a partial double-bond character of the P Ϫ O term bonds.…”
Section: Crystal Structuresupporting
confidence: 76%
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“…Starting materials 1a 20 and 1b 3 were synthesized according to literature methods. [Ln{N(SiHMe 2 ) 2 } 3 (thf) 2 ] were prepared by a modified literature procedure21 using K[N(SiHMe 2 ) 2 ]22 instead of Li[N(SiHMe 2 ) 2 ]. All other chemicals were purchased from commercial sources in purities >97 % and used without further purification, if not otherwise stated.…”
Section: Methodsmentioning
confidence: 99%