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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

Example text

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. W. Rudolph (Inorg. Chern. 15 [1976] 2948/50). [11] W. R. Hertler, F. Klanberg, E. L. Muetterties (lnorg. Chern. 6 [1967] 1696/706).

10-6 Molekülstruktur von (1-S-B g H sh [13]. 678 (5) A) befindet, welche die beiden mit Kuppen versehenen quadratischen antiprismatischen Gerüste der SBgHs-Hälften verbindet. Während sich das S-Atom in axialer Stellung befindet, erfolgt die Bindung der beiden SBgHs-Gerüste jeweils über B-Atome der dem S benachbarten äquatorialen Gürtels. 689(4) A. Hierbei sind die B-B-Abstände zwischen den Atomen des dem S benachbarten Gürtels größer als in dem dem axialen B-Atom (in 10Stellung) benachbarten Gürtel.

M. Trieft (J. Chem. Soc. Perkin Trans. " 1976 1811/5). 3 Thiapolyboran-Anionen [4-S-B eHg]- und [7-S-B eH g]-. Die Darstellung erfolgt durch Deprotonierung von SBeH,o mit (C 2H sbN oder (CH 3bN nach SB eH lO + R3N-+ [R 3NH]+[4-S-B eHg]- (s. S. 16). [SBeH g]- kann auch durch eine Abbaureaktion von SBgH g mit methanolischem KOH nach SBgH g + 3 CH 30H + KOH -+ K [4-S-B eHg] + B (OCH 3b + H 20 + H 2 erhalten (s. S. 17) und durch Behandeln mit [(CH3)4N]CI als [(CH3)4N] [4-S-B eHg] isoliert werden. Durch Abbau von 1-S-BgHg (s.

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