1980
DOI: 10.1002/cber.19801130135
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Beiträge zur Chemie des Bors, CIV. Neue Ringsysteme mit Dibor‐Einheiten als Ringglieder: Dithiadisilaboracyclopentane, Dithiatriborolane und Dithiatetraborinane

Abstract: Die mit Pyridin katalysierte Komproportionierung der Cyclothiasilane 1 und 4 mit dem Dithiatetrasilacyclohexan 2 liefert das Dithiatrisilacyclopentan 3. Dieses reagiert spezifisch mit R,N(Cl)B -B(Cl)NR2 (5) zu einem Dithiasiladiboracyclopentan (6), ebenfalls erhaltlich aus 5 und 1 bzw. 4. Mit weiterem 5 setzt sich 6 zum Dimethylamino-Derivat eines Dithiatetraborinans (7) urn. Ein Dithiadisilaboracyclopentan (8) entsteht aus dem S,Si,-System 2 und Phenylbordichlorid, ein Dithiatriborolan-Derivat (10) aus 6 und … Show more

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Cited by 31 publications
(3 citation statements)
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“…Structures of Dithiametallaboretane Derivatives. The structures of novel four-membered ring systems 7 − 9 were definitively determined by X-ray crystallographic analysis . The ORTEP drawings of 8 and 9 are shown in Figures and , respectively…”
Section: Resultsmentioning
confidence: 99%
“…Structures of Dithiametallaboretane Derivatives. The structures of novel four-membered ring systems 7 − 9 were definitively determined by X-ray crystallographic analysis . The ORTEP drawings of 8 and 9 are shown in Figures and , respectively…”
Section: Resultsmentioning
confidence: 99%
“…Five distance parameters were required, namely rS ◊ ◊ ◊ S, rS-B, rB-N, rC-N and rC-H (p [1][2][3][4][5] ). Five bond angle parameters were also employed.…”
Section: Ged Studymentioning
confidence: 99%
“…According to the potential difference between Id (E<,,= -0.35 v) and TCNE Za (Ercd= +0.33 V vs. SCE), single electron transfer occurs during the reaction in dichloromethane. The primary products, the radical ions Id " and 2aeo, can be detected simultaneously as persistent solvent-separated ions; the ESR spectrum of the reaction solution (A) is a superposition of spectra of the components 2aQ0 (9) and Id" (C) [4]. Particularly characteristic is the loss of inversion symmetry in (A) because of the slightly different g factors of the components (2aQQ: g=2.0029; I d m Q : g=2.033); the linebroadening in (A) compared to (C) could arise through weak association.…”
Section: Synthesis and Structure Of A 1245-tetraborinane**mentioning
confidence: 99%