B Boron Compounds: Boron and Chalcogens. Carboranes. Formula by Karl Beeker, Thomas Onak, Kurt Niedenzu, Ursula Hettwer

By Karl Beeker, Thomas Onak, Kurt Niedenzu, Ursula Hettwer

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Extra info for B Boron Compounds: Boron and Chalcogens. Carboranes. Formula Index for 1st Suppl. Vol. 1 to 3

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Chern. 15 [1976] 1779/83). - [5] B. J. Meneghelli, R. W. Rudolph (J. Organornetal. Chern. 133 [1977] 139/45). [6] W. R. Pretzer, R. W. Rudolph (J. Arn. Chern. Soc. 95 [1973] 931/2). - [7] W. L. Srnith, B. J. Meneghelli, N. McClure, R. W. Rudolph (J. Arn. Chern. Soc. 98 [1976] 624/6). - [8] J. L. Little, G. D. Friesen, L. J. Todd (Inorg. 16 [1977] 869/72). - [9] A. R. Garber (Diss. Indiana Univ. 1974, S. 1/168 nach Diss. Abstr. Intern B 35 [1974/75] 4821). - [10] D. A. Thornpson, W. R. Pretzer, R.

Gegen Hydrolyse ist SB,oH,2 nach IR-spektroskopischen Untersuchungen relativ beständig [10]. Bei 120 bis 190°C reagiert es mit (C 2H sbN' BH 3 nach 7-S-B,oH'2+ (C2H 6 bN· BH 3-+SB"H" (38%) + [(C 2H sbNH] [SB,oH,,] (50%) + (C 2HsbN [12]. Bei Einwirkung vom CH 3Li wird in Cyclohexan [7-S-B,oH,oF- bzw. nach Entfernen des Lösungsmittels Li 2 [SB,oH,0] gebildet [10]. 1-Thia-closo-dodecaboran(11). 1-S-B"H" wird bei der Pyrolyse von 7-S-B,oH'2 nach 4 Stunden bei 380°C als schwach gelbes Sublimat erhalten, aus dem bei erneuter Vakuumsublimation bei 50°C ein reinweißes Produkt entsteht [1], s.

Figur bei [3]. [SBgH"F -wird bei der Reaktion von C4HgLi mit Cs[SB gH,2] in Tetrahydrofuran erhalten. Das nach Entfernen des Lösungsmittels erhaltene pyrophore und extrem feuchtigkeitsempfindliche Produkt besteht vermutlich aus LiCs [SBgH,,]. Dieses reagiert bei der Hydrolyse unter Bildung von [SB gH'2]-' Mit Ni- oder Pd-Acetonylacetonat reagiert [SBgH" j2- unter Bildung von Metallkomplexen des Typs [(SBgH" hMj2- (M = Ni, Pd). Als stark reaktiver Ligand verdrängt es P (C 6H 5h oder P (C 4Hgh bei (R 3PhNiCI 2 bzw.

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