2010
DOI: 10.1002/ange.201003860
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Ein Dichlorcyclodibismadiazan

Abstract: Unter den viergliedrigen Pniktogen-Stickstoff-Heterocyclen des Typs [ClE(m-NR)] 2 (E = Element der Gruppe 15), die als 1,3-Dichlorcyclo-1,3-dipnikta(III)-2,4-diazane benannt werden, [1] spielen besonders die Phosphorderivate eine bedeutende Rolle, z. B. für die Synthese von Makrocyclen, Polymeren, Hauptgruppenkomplexen, in Ringtransformationsreaktionen oder zur Synthese von cyclischen binären PN-Kationen. [2][3][4] Bereits im Jahr 1894 entdeckten Michaelis und Schroeter das erste Cyclo-1,3-diphospha(III)-2,4-d… Show more

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Cited by 16 publications
(9 citation statements)
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“…The phosphorus species in particular play a major role in preparative phosphorus–nitrogen chemistry, for example in the preparation of macrocycles, polymers, main‐group complexes, and ring transformation reactions or the generation of cyclic binary PN cations 1. In recent years, new examples for cyclo ‐1,3‐dipnicta(III)‐2,4‐diazanes were prepared by introduction of bulky R substituents and characterized, with the focus on kinetic stabilization 26. Only recently, the synthesis of salts bearing the highly reactive cyclo ‐1,3‐dipnicta(III)‐2,4‐diazenium cations [ClE(μ‐NTer) 2 E] + (E=P and As; Ter=terphenyl=2,6‐bis(2,4,6‐trimethylphenyl)phenyl; Scheme , species B ) was reported 7.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The phosphorus species in particular play a major role in preparative phosphorus–nitrogen chemistry, for example in the preparation of macrocycles, polymers, main‐group complexes, and ring transformation reactions or the generation of cyclic binary PN cations 1. In recent years, new examples for cyclo ‐1,3‐dipnicta(III)‐2,4‐diazanes were prepared by introduction of bulky R substituents and characterized, with the focus on kinetic stabilization 26. Only recently, the synthesis of salts bearing the highly reactive cyclo ‐1,3‐dipnicta(III)‐2,4‐diazenium cations [ClE(μ‐NTer) 2 E] + (E=P and As; Ter=terphenyl=2,6‐bis(2,4,6‐trimethylphenyl)phenyl; Scheme , species B ) was reported 7.…”
Section: Methodsmentioning
confidence: 99%
“…The synthesis of 1,3‐dichloro‐ cyclo ‐1,3‐dipnicta‐2,4‐diazanes ( B ) by facile HCl elimination reactions starting from primary amines and element(III) chlorides or aminopnictanes has been studied in detail for more than one century, and especially in the case of Sb and Bi, side reactions lead to complex product mixtures, thus dramatically decreasing the yield 3. 6, 13, 14 To be able to carry out follow‐up chemistry, it was vital to develop a straightforward high‐yield synthetic route to [ClE(μ‐NR)] 2 species (E=Sb, Bi). Inspired by Veith’s synthesis10 of [Me 2 SiE(μ‐N t Bu) 2 ] + by transmetalation reaction utilizing the corresponding stannane as starting material, we prepared first the cyclic distannadiazane [Sn(μ‐NTer)] 2 ( 1 ), a compound which was only recently reported by Power et al 15.…”
Section: Methodsmentioning
confidence: 99%
“…All manipulations were carried out under oxygen-and moisture free conditions using standard Schlenk and Drybox techniques. TerNH 2 , [1] TerNHECl 2 , [1,2] TerPH 2 , [3] and TerPHSiMe 3 are known and were prepared according to modified literature procedures.…”
Section: General Informationmentioning
confidence: 99%
“…Obwohl Bi‐N‐Bindungen äußert instabil sind, wurde das erste Dichlor‐cyclo‐dibismadiazan aus Terphenyl‐NHBiCl2 durch Dehydrohalogenierung mit DBU als Base synthetisiert. Das Produkt zersetzt sich erst ab 205 °C und ist unter Argonatmosphäre bei Raumtemperatur sowohl in Substanz als auch gelöst in Benzol stabil 1_63…”
Section: Grundlegende Molekülchemie: Phosphor Bis Xenonunclassified