2001
DOI: 10.1002/1521-3749(200105)627:5<882::aid-zaac882>3.0.co;2-f
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Aufbau von Erdalkalimetall-Arsen-Käfigstrukturen durch die Metallierung von Triisopropylsilylarsan mit Calcium-, Strontiumund Barium-bis[bis(trimethylsilyl)amid] in Tetrahydrofuran

Abstract: Professor Kurt Dehnicke zum 70. Geburtstag gewidmet Inhaltsu È bersicht. Die Metallierung von Triisopropylsilylarsan mit den Erdalkalimetall-bis[bis(trimethylsilyl)amiden] in Tetrahydrofuran liefert die THF-Komplexe von Calcium-(1), Strontium-(2) und Barium-bis(triisopropylsilylarsanid) (3). Beim Lo È sen in Toluol spaltet sich Triisopropylsilylarsan ab und man isoliert die THF-Addukte der entsprechenden Tetraerdalkalimetall-hexakis(triisopropylsilylarsanid)-triisopro-pylsilylarsandiid von Calcium (4), Stronti… Show more

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Cited by 14 publications
(9 citation statements)
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“…For example, Westerhausen showed that the calcium bis-amide Ca­[N­(SiMe 3 ) 2 ] 2 was able to deprotonate the silylated primary arsine H 2 As–Si i Pr 3 ( 1215 ) generating a new calcium bis­(silyl)­arsenide [Ca­(THF) 4 {AsH­(Si i Pr 3 )} 2 ] ( 1216 , eq 103 ). Related silylarsenides [As­(H)­SiR 3 ] − of strontium, barium, magnesium, zinc and lithium were also reported. …”
Section: Molecular Hydrides Of Group 15 Metals (Arsenic Antimony and ...mentioning
confidence: 99%
“…For example, Westerhausen showed that the calcium bis-amide Ca­[N­(SiMe 3 ) 2 ] 2 was able to deprotonate the silylated primary arsine H 2 As–Si i Pr 3 ( 1215 ) generating a new calcium bis­(silyl)­arsenide [Ca­(THF) 4 {AsH­(Si i Pr 3 )} 2 ] ( 1216 , eq 103 ). Related silylarsenides [As­(H)­SiR 3 ] − of strontium, barium, magnesium, zinc and lithium were also reported. …”
Section: Molecular Hydrides Of Group 15 Metals (Arsenic Antimony and ...mentioning
confidence: 99%
“…Further to these observations, s-bond metathesis (or protonolysis) has been frequently employed in stoichiometric heavier Group II chemistry to synthesize new organometallic complexes. Examples include the reaction of heavier Group II metal amides [M{N(SiMe 3 ) 2 } 2 (THF) n ] (M = Ca, Sr and Ba; n = 0 or 2) with alcohols, thiols, selenols and tellurols, pyrroles and pyrazoles, terminal alkynes, cyclopentadiene and derivatives, phosphines or arsines to yield the corresponding metal alkoxide (Westerhausen et al 2003;Sarazin et al 2006;Davidson et al 2007), thiolate (Chadwick et al 1998), selenolate and tellurate (Gindelberger & Arnold 1992, 1994, pyrrolide and pyrazolide (Vargas et al 2002;Hitzbleck et al 2004), acetylide (Burkey & Hanusa 1996;Green et al 1999;Avent et al 2005a;Barrett et al 2008b;Schumann et al 2009), cyclopentadienide (Tanner & Hanusa 1994;Tanner et al 1995;Hays et al 1996;Avent et al 2006), phosphide (Westerhausen & Schwarz 1993;Westerhausen 1994;Westerhausen et al 1996aWesterhausen et al ,b, 1998bWesterhausen et al , 2000a or arsenide Westerhausen et al 1998aWesterhausen et al , 2001 species, MX 2 , along with the reaction by-product HN(SiMe 3 ) 2 . In many cases,…”
Section: Heterofunctionalization Catalysismentioning
confidence: 99%
“… 24 Several alkali metal complexes of arsinidene ligands have also been structurally characterized. 25 Complex 3 is related to the rare-earth metal phosphinidene complexes, particularly the heterobimetallic lithium–scandium complex [(PNP)Sc(μ-dmp)(μ-Br)Li] (PNP=N(2- i Pr 2 PC 6 H 3 -4-Me) 2 , 2,6-Mes 2 C 6 H 3 , dme=dimethoxyethane). 10 Notably, the arsinidene ligands in 3 adopt a μ-bridging coordination mode, which is an obvious parallel with rare-earth metal phosphinidene complexes.…”
mentioning
confidence: 99%