69577-06-6Relevant academic research and scientific papers
Direct Synthesis of Some Diaryl Ditellurides from Aryl Halides
Liu, Jianfei,Qiu, Mei,Zhou, Xunjun
, p. 2759 - 2767 (2007/10/02)
The reaction of aryl halides with sodium hydrogen telluride in dimethylformamide is studied.Some diaryl ditellurides are synthesized under mild conditions by the reaction.
Palladium(II) Chloride Catalyzed Carbonylation of Organic Tellurides with Carbon Monoxide
Ohe, Kouichi,Takahashi, Hidetaka,Uemura, Sakae,Sugita, Nobuyuki
, p. 4859 - 4863 (2007/10/02)
Various organic tellurides react with carbon monoxide (1 atm) at room temperature in methanol in the presence of PdCl2 and Et3N to afford the corresponding methyl carboxylates in good to excellent yields.The reaction is catalytic in PdCl2 when a suitable reoxidant such as CuCl2, CuCl/O2, FeCl3 or Ce(NH4)2(NO3)6 is present.The combination of this carbonylation with phenyltellurenylation of arylacetylenes and propargylic alcohols makes it possible to prepare ring-substituted cis-methyl cinnamates and Δα,β-butenolides, respectively.Both monomeric and dimeric palladium complexes, (Ph2Te)2PdCl2 and 2, react readily with CO to give a high yield of methyl benzoate.The key step of the present carbonylation is proposed to be the migration of an organic moiety from Te to Pd (transmetalation) in organic telluride-PdCl2 complexes, presumably formed in situ, to afford organopalladium compounds.
ORGANOTELLURIUM COMPOUNDS 8. ARYLTELLUROLS AS REDUCING AGENTS
Akiba, Mitsuo,Cava, Michael P.
, p. 1119 - 1128 (2007/10/02)
Phenyltellurol and 2-thienyltellurol, generated in situ, have been found to act as selective reductants towards a number of representative organic substrates.
REDUCTION OF AROMATIC NITRO COMPOUNDS TO AMINES BY BENZENETELLUROL
Ohira, Noriyuki,Aso, Yoshio,Otsubo, Tetsuo,Ogura, Fumio
, p. 853 - 854 (2007/10/02)
Benzenetellurol was conveniently generated by methanolysis of phenyl trimethylsilyl telluride or reduction of diphenyl ditelluride with phosphinic acid or sodium borohydride, and smoothly reduced aromatic nitro compounds to the corresponding amines.
