From Tellurium Dichloride or Tetrachloride

Tellurium dichloride and ferrocene-1,T-dithiol condensed in benzene in the presence of triethylamine to form (IJ -ferrocenediyldithio) tellurium.  

With tellurium tetrachloride under similar conditions the same compound was obtained, but with a yield of only 10%. This air-stable, bronze compound possesses fluxionality - 

Irgolic Organo-tellurium Compounds without a C,Te-Bond 

Tellurium tetrachloride and arenethiols in ethanol at — 8° produce bis[arylthio] tellurium compounds and diaryl disulfanes. Tetrakis[organothio] tellurium derivatives are likely intermediates in these reactions.  

Bis[phenylthio] Tellurium 2.69 g (10 mmol) of tellurium tetrachloride are dissolved in 100 m/of anhydrous ethanol, the solution is cooled to — 8°, stirred, and a solution of 4.4 g (40 mmol) of benzenethiol in 100 m/ of anhydrous ethanol is added dropwise. The mixture is filtered, the solid is washed with cold ethanol and cold diethyl ether, dried under reduced pressure, and recrystallized at low temperature from petroleum ether yield 3.2 g (91%) m.p. 64-67°. 

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