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Optimization of Radiochemical Reactions using Droplet Arrays
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A stable distannirane.

Lise Baiget1, Henri Ranaivonjatovo, Jean Escudié

  • 1Université Paul Sabatier, Hétérochimie Fondamentale et Appliquée, UMR 5069, 118 route de Narbonne, 31062 Toulouse Cedex 04, France.

Journal of the American Chemical Society
|September 24, 2004
PubMed
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Researchers synthesized the first three-membered ring compound with two tin and one carbon atom, a novel 1,2-distannirane. This organotin compound was created using a two-step synthesis from a fluorenylstannyl precursor.

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Area of Science:

  • Organometallic Chemistry
  • Synthetic Chemistry

Background:

  • Three-membered rings are fundamental structures in chemistry.
  • Organotin compounds exhibit diverse reactivity and applications.
  • Previous syntheses have not yielded stable three-membered rings with two tin atoms.

Purpose of the Study:

  • To synthesize and characterize the first stable three-membered ring compound containing two tin atoms and one carbon atom.
  • To explore the synthetic accessibility of novel organotin heterocycles.

Main Methods:

  • A two-step synthetic procedure was employed.
  • The synthesis started from a 9-[bis(2,4,6-triisopropylphenyl)fluorostannyl]chloromethylenefluorene precursor.
  • Characterization likely involved spectroscopic methods (NMR, Mass Spectrometry) and potentially X-ray crystallography.

Main Results:

  • The successful synthesis of 1,1,2,2-tetra(2,4,6-triisopropylphenyl)-3-fluorenylidene-1,2-distannirane was achieved.
  • This represents the first reported instance of a stable three-membered ring containing a tin-tin bond and a carbon atom.
  • The bulky triisopropylphenyl groups likely contribute to the stability of the distannirane ring.

Conclusions:

  • A novel class of organotin compounds, 1,2-distanniranes, has been accessed.
  • The synthetic route provides a viable method for constructing strained organotin heterocycles.
  • This discovery opens avenues for exploring the chemistry and applications of distanniranes.