The reaction of organo(heterocyclic)tellurium(IV) derivative: C
8H
8TeI
2(1,3-dihydro-2
λ4-benzotellurole-2,2-diyl diiodide) with NH
4S
2CNC
5H
10 (ammonium piperidine dithiocarbamate) gives C
8H
8Te(S
2CNC
5H
10)
2 (
1) and Te(S
2CNC
5H
10)
2 (
2) or C
8H
8TeI(S
2CNC
5H
10) (
5) according to the reaction conditions. In such type of metathetical reactions, the formation of
2 is unprecedented and it corresponds to the first Te–C cleaved product. The reaction of
2 with CH
3I, yields the oxidative addition product, CH
3TeI(S
2CNC
5H
10)
2 (
8). The formation of
2 is also supported through Quantum Chemical calculations. Another Te–C bond cleaved product TeI
2[(C
13H
10N
2S)
2] · 4C
4H
8TeI
2 (
9) is obtained in the reaction of C
4H
8TeI
2 (1,1,2,3,4,5-hexahydro-1,1-diiodotellurophene) with NH
4S
2CNHC
6H
5 (ammonium aniline dithiocarbamate). The reaction of 1,1,2,3,4,5,6-heptahydro-1-iodo-1-(morpholine dithiocarbamato) tellurane [C
5H
10TeI(S
2CNC
4H
8O)] (
10) with 1,10-phenanthroline gives an unusual product C
12H
8N
2 · C
4H
10INO (
11). The structures of the new complexes
2,
8,
9,
10 and
11 have been determined by the X-ray analysis.
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