1206-36-6Relevant academic research and scientific papers
On the reactivity of metal and organometallic halides toward r 3sn-o-snr3 systems
Singhal, Kiran,Mishra, Rahul,Raj, Prem
scheme or table, p. 278 - 283 (2010/02/27)
Interaction of metallic salts (M = Hg, Sb, and Te) with bis(triorganotin) oxide, (R3Sn)2O, where (R = C6H5, p-CH3C6H4, and cyclo-C6H 11) at room temperature
Palladium- and copper-catalyzed cross-coupling and carbonylative cross-coupling of organotellurium compounds with organostannanes
Kang, Suk-Ku,Lee, Sang-Woo,Ryu, Hyung-Chul
, p. 2117 - 2118 (2007/10/03)
The palladium- and copper-catalyzed cross-coupling of diaryl- or divinyl tellurium dichlorides with organostannanes has been achieved in the presence of PdCl2 (10 mol%) or CuI (10 mol%) with Cs2CO3 (2 equiv.) in MeCN in good to moderate yields; alternatively, the palladium- and copper-catalyzed carbonylative cross-coupling of organotellurium dichlorides with organostannanes was readily accomplished under atmospheric pressure of CO in good to moderate yields.
Preparation and characterization of a series of bromodiphenyl(N,N-dialkyldithiocarbamato)tellurium(IV) compounds where R = Me, Et, i-Pr, Bu, and of chlorodiphenyl(N,N-dibutyldithiocarbamato)telluriumm(IV) and diphenylbis(N,N-dibutyldithiocarbamato)tellurium(IV). Crystal structure of P...
Bailey, Jane H. E.,Drake, John E.,Wong, Maria L. Y.
, p. 1948 - 1956 (2007/10/02)
The series Ph2TeBr, where R = Bu, Pr, i-Pr, Et, and Me, as well as Ph2TeCl and Ph2Te2, where R = Bu, Pr, have been synthesized and characterized by elemental analysis and vibrational spectroscopy.Comparisons of the effect of changing R groups and halogen atoms can be made based on the two crystal structures determined herein along with earlier work.The geometry about tellurium is consistent with that of a distorted sawhorse structure where the dithiocarbamate groups are monodentate (or anisobidentate).The crystal structures of Ph2TeBr, 4, and Ph2Te2, 7, were completed.The cell parameters for 4 are a = 11.204(3) Angstroem, b = 14.106(11) Angstroem, c = 13.867(10) Angstroem, α = 99.62(6) deg, β = 102.76(5) deg, γ = 87.73(4) deg, V = 2107 Angstroem3, Z = 4, R = 0.0448, and Rw = 0.0489 and for 7 are a = 19.392(6) Angstroem, b = 9.622(2) Angstroem, c = 19.089(6) Angstroem, β = 104.70(2) deg, V = 3445(2) Angstroem3, Z = 4, R = 0.0397, and Rw = 0.0439.Nuclear magnetic resonance spectra are not simple and indicate that several species are present in solution, as rearrangements and reductive elimination take place. Key words: structure, tellurium, bromo, diphenyl, dialkyldithiocarbamato.
Synthesis and Characterisation of Diorganotellurium(IV) Bis(haloacetates)
Srivastava, T. N.,Singh, Jai Deo
, p. 260 - 262 (2007/10/02)
A new diorganotellurium bis(haloacetates) of the type R2Te(OCOR')2 (R = C6H5, p-MeOC6H4, CH3; R' = CF3, CCl3, CHCl2 and CH2Cl) have been prepared and characterised.The IR spectral data of these haloacetates indicate that both the haloacetate groups are eq
REACTIONS OF TELLURIUM(IV) CHLORIDES WITH SOME ORGANOSILICON HYDRIDES
Chadha, Raj K.,Drake, John E.,Neo, Mary K. H.
, p. 47 - 52 (2007/10/02)
The reactions of several organosilicon hydrides PhnSiH(4-n), n = 1, 2; R3SiH, R3 = Ph3, Ph2Me, PhMe2, (n-C6H13)3; (p-Me2HSi)2C6H4, with TeCl4 in benzene resulted in the formation of tellurium metal and chlorosilanes in 75-90percent yields.Similar reactions with aryltellurium trichlorides (RTeCl3, R = Ph, p-MeOC6H4, p-EtOC6H4) proceeded in two different ways.On stirring at room temperature for 6-8 h, diaryl ditellurides and chlorosilanes were obtained in 70-95percent yields whereas on refluxing for 6-10 h, tellurium powder and diaryltellurium dichlorides were obtained along withthe chlorosilanes in 80-95percent yields.Diaryltellurium dichlorides (R2TeCl2, R = Ph, p-MeOC6H4) did not react readily with PhSiH3 nor with Ph3SiH.
SYNTHESIS AND STRUCTURE OF AROMATIC AND HETEROCYCLIC COMPOUNDS OF TELLURIUM. XXII. A NEW METHOD FOR THE SYNTHESIS OF DIARYLTELLURIUM DICHLORIDES
Sadekov, I. D.,Maksimenko, A. A.,Rivkin, B. B.
, p. 541 - 546 (2007/10/02)
A new universal method was developed for the production of unsymmetrical and symmetrical diaryltellurium dichlorides and dibromides on the basis of the reaction of diaryl ditellurides with arenediazonium ions in the presence of copper(II) halides.
125Te-NMR-SPEKTREN VON ORGANOTELLURHALOGENIDEN
Schumann, H.,Magerstaedt, M.
, p. 147 - 150 (2007/10/02)
Tetraorganotin compounds react with tellurium tetrachloride or tellurium tetrabromide with formation of the corresponding organotellurium trihalides and diorganotellurium dihalides. 125Te NMR spectra of the reaction mixtures are used to determine the reac
Tellurium in Organic Synthesis, IX Oxidation of Some Nitrogenous Compounds with TeO2
Bergman, Jan,Engman, Lars
, p. 882 - 884 (2007/10/02)
Some phenylhydrazines were readily converted to diaryltellurium dichlorides in 27-40percent yield when treated with TeO2 in refluxing acetic acid containing lithium chloride.It was also found that certain ketones could be regenerated from their corresponding semicarbazones, azines and hydrazones when submitted to the same reaction conditions. - Keywords: Tellurium, Phenylhydrazines
