Astatobenzene
Astatobenzene is an organoastatine chemical compound with the formula. This is a compound in which an astatine atom, the rarest halogen, is bonded to a benzene ring.
Synthesis
Several methods of obtaining astatobenzene are described.Homogeneous exchange between iodobenzene and astatine iodide at room temperature:
Also, synthesis from phenylhydrazine and astatine iodide:
Also, thermal decomposition of diphenyliodonium iodide containing diphenyliodonium astatide: