Journal of the Chemical Society, Dalton Transactions p. 907 - 913 (1990)
Update date:2022-08-03
Topics:
Singh, Harkesh B.
Sudha, Narsimhan
West, Antony A.
Hamor, Thomas A.
The reaction of o-lithiobenzylamine with elemental tellurium followed by air oxidation furnished an ill defined 'tellurinic anhydride'.Halogenolysis reactions of this with bromine and sulphonyl chloride afforded the corresponding <2-(dimethylaminomethyl)phenyl>trihalogenotellurium(IV) derivatives.Reduction of the trihalides with excess of hydrazine hydrate gave novel <2-(dimethylaminomethyl)phenyl>halogenotellurium(II) derivatives.Metathesis of the chlorotellurium(IV) and -(II) derivatives with sodium diethyldithiocarbamate resulted in the formation of dithiocarbamato derivatives.The crystal structure of <2-(dimethylaminomethyl)phenyl>tellurium(IV) tribromide is monoclinic, space group P21/n with a = 9.226(6), b = 15.439(8), c = 9.618(5) Angstroem, β = 94.94(5) deg, Z = 4, and R = 0.0419 for 938 observed reflections.The co-ordination about Te approximates to octahedral with a vacant equatorial site: two Br atoms axial, the third Br and the organic ligand equatorial
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