Synthesis, Structure, and Reactivity of Ga-Substituted Distibenes and Sb-Analogues of Bicyclo[1.1.0]butane

Lars Tuscher, Christoph Helling, Chelladurai Ganesamoorthy, Julia Krüger, Christoph Wölper, Walter Frank, Anton S. Nizovtsev, Stephan Schulz

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Monovalent gallanediyl LGa {L=HC[C(Me)N(2,6-iPr2C6H3)]2} reacts with SbX3 to form the Ga-substituted distibenes [(LGaX)2Sb2] (X=NMeEt 1, Cl 2). Upon heating, 2 reacts to the bicyclo[1.1.0]butane analogue [(LGaCl)2(μ,η1:1-Sb4)] 3 containing a [Sb4]2− dianion. Moreover, 2 reacts with Li amides LiNR2 in salt elimination reactions that form the corresponding amido-substituted compounds 1 and [(LGaNMe2)2Sb2] 4, whereas reactions of 4 and [(LGaNMe2)2(μ,η1:1-Sb4)] 5 with two equivalents of GaCl3 resulted in the formation of 2 and 3, respectively. 1, 2 and 3 were characterized by 1H and 13C NMR spectroscopy, elemental analysis, and single crystal X-ray diffraction. In addition, their bonding situation was analyzed by quantum chemical calculations.

Original languageEnglish
Pages (from-to)12297-12304
Number of pages8
JournalChemistry - A European Journal
Volume23
Issue number50
DOIs
Publication statusPublished - 7 Sep 2017

Keywords

  • cluster compounds
  • main-group elements
  • polystibide
  • subvalent compounds
  • PHOSPHORUS
  • ACTIVATION
  • APPROXIMATION
  • STABILIZATION
  • ELECTRON LOCALIZATION
  • FUNCTIONALIZATION
  • ELEMENTS
  • CAGE COMPOUNDS
  • P-4
  • BOND

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