83710-69-4

Upstream product

• 371-69-7 ethyl fluorosulfonate 
• 80697-46-7 2,6-diphenyl-γ-telluropyrone 
• 15814-30-9 1,5-diphenyl-penta-1,4-diyn-3-one 

Downstream Products

• 83710-85-4 4-[(Z)-3-(2,6-Diphenyl-selenopyran-4-ylidene)-propenyl]-2,6-diphenyl-telluropyranylium; perchlorate 
• 83710-83-2 4-[(Z)-3-(2,6-Diphenyl-thiopyran-4-ylidene)-propenyl]-2,6-diphenyl-telluropyranylium; perchlorate 
• 83710-89-8 C₃₉H₂₉Te₂⁽¹⁺⁾*BF₄^(1-) 
• 83710-87-6 C₃₇H₂₇Te₂⁽¹⁺⁾*BF₄^(1-) 
• 83710-81-0 C₃₇H₂₇OTe⁽¹⁺⁾*BF₄^(1-) 
• 83710-97-8 C₃₁H₂₈NTe⁽¹⁺⁾*BF₄^(1-) 
• 83710-79-6 2,6-Diphenyl-4-(2,6-diphenyl-4H-telluropyran-4-ylidenemethyl)telluropyrylium tetrafluoroborate 
• 83710-95-6 C₃₀H₂₈NTe⁽¹⁺⁾*BF₄^(1-) 
• 83710-99-0 C₂₉H₂₆NTe⁽¹⁺⁾*BF₄^(1-) 
• 83711-03-9 C₂₇H₂₄NTe⁽¹⁺⁾*BF₄^(1-) 
• 83710-72-9 C₂₁H₂₀NTe⁽¹⁺⁾*BF₄^(1-) 
• 83710-66-1 2,6-diphenyl-4-methyltelluropyrylium tetrafluoroborate 
• 83710-67-2 (2,6-diphenyltelluropyranylidene)acetaldehyde 
• 83710-70-7 5-(2,6-Diphenyl-telluropyran-4-ylidene)-2,2-dimethyl-[1,3]dioxane-4,6-dione 

Relevant academic research and scientific papers

Electron-Accepting Molecules Containing Telluropyranyl Groups. The Effect of Tellurium Oxidation State on Reduction Potentials

Telluropyran-4-ones and benzotelluropyran-4-ones could not be oxidized to the corresponding tellurones or telluroxides with hydrogen peroxide, m-chlorobenzoic acid, sodium metaperiodate, N-chlorosuccinimide, tert-butyl hypochloride, or 40percent peracetic acid.Oxidative addition products were obtained from peracetic acid to give telluropyranone 10-Te-4 tellurane diacetates.Chlorine, bromine, and iodine gave oxidative adittion products as well.The electrochemical reduction of the 10-Te-4 telluranes as followed by cyclic voltammetry and coulometry was initial two-electron reduction to give the telluropyranone and 2 equiv of the halide or acetate.The reductions were irreversible, perhaps because of the good leaving-group character of the halide or acetate ligands attached to Te. 2,6-Disubstituted telluropyrylium salts in pyridine with triphenylphosphine under aerobic conditions gave oxidative dimerizations to produce 1,1-dioxo(telluropyranylidene)telluropyrans, which, in the case of 2,2'6,6'-tetraphenyl derivative, displayed reversible reductions by cyclic voltammetry.Under an argon atmosphere in degassed solvents, the telluropyrylium salts did not give oxidative dimerization.The reaction of the 2,6-disubstituted telluropyrylium salts and triphenylphosphine oxide in pyridine under argon gave the dioxo(telluropyranylidene)telluropyrans and triphenylphosphine. 2-Phenyl-7-methoxybenzotelluropyrylium perchlorate reacted with triphenylphosphine, pyridine, and air or with triphenylphosphine oxide (as a melt) to give the 1,1'-dioxo(benzotelluropyranylidene)benzotelluropyran.The ditelluroxide gave a reversible reduction by cyclic voltammetry, with Eo being 0.2 V more negative than for the tetraphenyl(telluropyranylidene)telluropyran tellurone.The condensation of malononitrile with telluropyranone diacetates gave dicyanomethylidene adduct that display reversible reduction waves by cyclic voltammetry.As was observed with the telluropyranone 10-Te-4 telluranes, the oxidative addition of peracetic acid or halogens gave 10-Te-4 telluranes whose first reduction waves are much less negative but irreversible.The condensation of Meldrum's acid with 4-ethoxytelluropyrylium and 4-ethoxybenzotelluropyrylium salts gave adducts with reversible or partially reversible reduction waves.

Telluropyrylium Dyes. 1. 2,6-Diphenyltelluropyrylium Dyes

Methine and polymethine dyes containing at least one 2,6-diphenyltelluropyrylo group as well as another 2,6-diphenylchalcogenopyrylo group have been prepared by the condensation of 2,6-diphenyl-4-methylchalcogenopyrylium salts with 4H-2,6-diphenyltellurop