Cyclopentadienyl magnesium bromide

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Cyclopentadienyl magnesium bromide
Skeletal formula
Identifiers
3D model (
JSmol
)
  • InChI=1S/C5H5.BrH.Mg/c1-2-4-5-3-1;;/h1-3H,4H2;1H;/q-1;;+2/p-1
    Key: MFWGSTMYJJJWEV-UHFFFAOYSA-M
  • C1C=CC=[C-]1.[Mg+2].[Br-]
Properties
C5H5BrMg
Molar mass 169.304 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Cyclopentadienyl magnesium bromide is a

molecular formula C5H5MgBr. The molecule consists of a magnesium atom bonded to a bromine atom and a cyclopentadienyl group, a ring of five carbons each with one hydrogen
atom.

The compound is a

organometallic compound that features a magnesium atom bonded to a halogen atom and to a carbon atom of some organic functional group
.

This compound is of historic importance as the starting material for the first published synthesis of ferrocene by Peter Pauson and Thomas J. Kealy in 1951.[1]

Preparation

The compound can be prepared by reacting cyclopentadiene with magnesium and bromoethane in anhydrous benzene.[2]

References

  1. doi:10.1002/anie.201201598
  2. doi:10.1038/1681039b0


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