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Synthesis 1992; 1992(6): 561-564
DOI: 10.1055/s-1992-26166
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Tris(trimethylsilyl)cyclopropenylium-hexachloroantimonat und verwandte Verbindungen

Günther Maier* , Dieter Volz, Jörg Neudert
  • *Institut für Organische Chemie der Justus-Liebig-Universität, Heinrich-Buff-Ring 58, D-6300 Gießen, Germany
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Publication Date:
17 September 2002 (online)

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Tris(trimethylsilyl)cyclopropenylium Hexachloroantimonate and Related Compounds Cyclopropenation of bis(trimethylsilyl)acetylene (10) with methyl (trimethylislyl)diazoacetate (9) affords methyl 1,2,3-tris(trimethylsilyl)-2-cyclopropene-1-carboxylate (11). Treatment of the corresponding acid chloride 15 with antimony(V) chloride yields tris(trimethylsilyl)cyclopropenylium hexachloroantimonate (5).