1985
DOI: 10.1002/chin.198524300
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ChemInform Abstract: POLY(METHYLENE DITELLURIDE)

Abstract: Die Reduktion des durch 3:1‐molare Reaktion von Te‐tetrachlorid mit Acetanhydrid in siedendem Chloroform gebildeten Bis‐[telluro]‐methans (I) führt zur polymeren Titelverbindung (II).

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“…The bis-substituted derivative, CH2(TeCl3)2, is a an interesting example of an organotellurium trichloride, which is obtained as a white crystalline solid from the reaction of acetic anhydride with TeCl4 in a 1:3 molar ratio at reflux for ca. 1 day[123]. Reduction of CH2(TeCl3)2 with aqueous sodium metabisulfite (Na2S2O5) produces an almost quantitative yield of the grey polymer (CH2TeTe)n[123].Halogenation of ditellurides with an excess of Cl2 (or SO2Cl2), Br2 or I2 is a common route to aryl derivatives ArTeX3, which are also accessible from reactions of TeX4 with arylmercury halides or viaFriedel-Crafts reactions of TeCl4 with arenes [124].…”
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confidence: 99%
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“…The bis-substituted derivative, CH2(TeCl3)2, is a an interesting example of an organotellurium trichloride, which is obtained as a white crystalline solid from the reaction of acetic anhydride with TeCl4 in a 1:3 molar ratio at reflux for ca. 1 day[123]. Reduction of CH2(TeCl3)2 with aqueous sodium metabisulfite (Na2S2O5) produces an almost quantitative yield of the grey polymer (CH2TeTe)n[123].Halogenation of ditellurides with an excess of Cl2 (or SO2Cl2), Br2 or I2 is a common route to aryl derivatives ArTeX3, which are also accessible from reactions of TeX4 with arylmercury halides or viaFriedel-Crafts reactions of TeCl4 with arenes [124].…”
mentioning
confidence: 99%
“…1 day[123]. Reduction of CH2(TeCl3)2 with aqueous sodium metabisulfite (Na2S2O5) produces an almost quantitative yield of the grey polymer (CH2TeTe)n[123].Halogenation of ditellurides with an excess of Cl2 (or SO2Cl2), Br2 or I2 is a common route to aryl derivatives ArTeX3, which are also accessible from reactions of TeX4 with arylmercury halides or viaFriedel-Crafts reactions of TeCl4 with arenes [124]. Supermesityltellurium trichloride Mes*TeCl3 (Mes* = 2,4,6-t Bu3C6H2) is obtained as bright yellow crystals in 96 % yield by chlorination of Mes*TeTe Mes* with SO2Cl2 in a molar ratio of ca.…”
mentioning
confidence: 99%