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Synthesis of Novel E-2-Chlorovinyltellurium Compounds Based on the Stereospecific Anti-addition of Tellurium Tetrachloride to Acetylene

A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky Str., Irkutsk 664033, Russia
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Molecules 2012, 17(5), 5770-5779; https://doi.org/10.3390/molecules17055770
Received: 5 April 2012 / Revised: 6 May 2012 / Accepted: 8 May 2012 / Published: 15 May 2012
(This article belongs to the Section Organic Chemistry)
The reaction of tellurium tetrachloride with acetylene proceeds in a stereospecific anti-addition manner to afford the novel products E-2-chlorovinyltellurium trichloride and E,E-bis(2-chlorovinyl)tellurium dichloride. Reaction conditions for the selective preparation of each of these products were found. The latter was obtained in 90% yield in CHCl3 under a pressure of acetylene of 10–15 atm, whereas the former product was formed in up to 72% yield in CCl4 under a pressure of acetylene of 1–3 atm. Synthesis of the previously unknown E,E-bis(2-chlorovinyl) telluride, E,E-bis(2-chlorovinyl) ditelluride, E-2-chlorovinyl 1,2,2-trichloroethyl telluride and E,E-bis(2-chlorovinyl)-tellurium dibromide is described. View Full-Text
Keywords: acetylene; tellurium tetrachloride; anti-addition; chlorovinyl tellurides; chlorovinyltellurium trichlorides; bis(2-chlorovinyl)tellurium dichlorides; divinyl ditellurides acetylene; tellurium tetrachloride; anti-addition; chlorovinyl tellurides; chlorovinyltellurium trichlorides; bis(2-chlorovinyl)tellurium dichlorides; divinyl ditellurides
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Musalova, M.V.; Potapov, V.A.; Amosova, S.V. Synthesis of Novel E-2-Chlorovinyltellurium Compounds Based on the Stereospecific Anti-addition of Tellurium Tetrachloride to Acetylene. Molecules 2012, 17, 5770-5779.

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