Nine-Vertex Polyhedral Monothiaborane Chemistry. The First nido Thianonaborane: Isolation and Characterization by NMR of the [nido-9-SB8H9]- Anion, and its Conversion to Compounds of the 6-L-arachno-4-SB8H10 Series (where L = SMe2 and Pyridine)

Holub, Josef; Kennedy, John D.; Štíbr, Bohumil

doi:10.1135/cccc19940367

CCCC > Archive > 1994, Volume 59 > Issue 2 > p. 367

Nine-Vertex Polyhedral Monothiaborane Chemistry. The First nido Thianonaborane: Isolation and Characterization by NMR of the [nido-9-SB₈H₉]^- Anion, and its Conversion to Compounds of the 6-L-arachno-4-SB₈H₁₀ Series (where L = SMe₂ and Pyridine)

Josef Holub^a, John D. Kennedy^b and Bohumil Štíbr^a

^a Institute of Inorganic Chemistry, Academy of Sciences of the Czech Republic, 250 68 Řež, Czech Republic
^b School of Chemistry, University of Leeds, Leeds LS2 9JT, U.K.

Abstract

Deprotonation of 6(exo)-(SMe₂)-arachno-4-SB₈H₁₀ either by sodium hydride or sodium metal leads to the isolation in high-yield of the [nido-9-SB₈H₉]^- anion, which has been characterized by ¹¹B and ¹H NMR spectroscopy. The nido anion can be reconverted to compounds of the 6(exo)-L-arachno-4-SB₈H₁₀ series (where L = SMe₂ and pyridine) by reaction with Lewis bases (L) followed by acidification with trifluoroacetic acid.

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