Δ^4,4'-2,2',6,6'-tetraphenyl-4-(tellurapyranyl)-4H-tellurapyran

Base Information

• Chemical Name: Δ^4,4'-2,2',6,6'-tetraphenyl-4-(tellurapyranyl)-4H-tellurapyran
• CAS No.: 80697-42-3
• Molecular Formula: C₃₄H₂₄Te₂
• Molecular Weight: 687.765
• Mol file: 80697-42-3.mol

Synonyms:Δ^4,4'-2,2',6,6'-tetraphenyl-4-(tellurapyranyl)-4H-tellurapyran

Chemical Property of Δ^4,4'-2,2',6,6'-tetraphenyl-4-(tellurapyranyl)-4H-tellurapyran

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Δ^4,4'-2,2',6,6'-tetraphenyl-4-(tellurapyranyl)-4H-tellurapyran

There total 5 articles about Δ^4,4'-2,2',6,6'-tetraphenyl-4-(tellurapyranyl)-4H-tellurapyran which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 66.0%

2,6-diphenyltellurapyran-4-thione (80697-44-5) → Δ4,4'-2,2',6,6'-tetraphenyl-4-(tellurapyranyl)-4H-tellurapyran (80697-42-3)

Guidance literature:

With copper; In toluene; for 1.5h; Heating;

DOI:10.1016/S0040-4039(00)81458-6

Reference yield:

2,6-diphenyl-γ-telluropyrone (80697-46-7) → Δ4,4'-2,2',6,6'-tetraphenyl-4-(tellurapyranyl)-4H-tellurapyran (80697-42-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 96 percent / Lawesson reagent / toluene / 1 h / Heating

2: 66 percent / Cu powder / toluene / 4 h / Heating

With Lawessons reagent; copper; In toluene;

DOI:10.1016/S0040-4020(01)96724-9

Reference yield:

1,5-diphenyl-penta-1,4-diyn-3-one (15814-30-9) → Δ4,4'-2,2',6,6'-tetraphenyl-4-(tellurapyranyl)-4H-tellurapyran (80697-42-3)

Guidance literature:

Multi-step reaction with 3 steps

1: 67 percent / Na₂Te, 0.05M NaOEt / ethanol / 1 h / Ambient temperature

2: 96 percent / Lawesson reagent / toluene / 1 h / Heating

3: 66 percent / Cu powder / toluene / 4 h / Heating

With Lawessons reagent; disodium telluride; sodium ethanolate; copper; In ethanol; toluene;

DOI:10.1016/S0040-4020(01)96724-9

upstream raw materials:

2,6-diphenyltellurapyran-4-thione

1,5-diphenyl-penta-1,4-diyn-3-one

2,6-diphenyl-γ-telluropyrone

Downstream raw materials:

2,6,2',6'-Tetraphenyl-[4,4']bitelluropyranylidene; compound with 2-(4-dicyanomethylene-cyclohexa-2,5-dienylidene)-malononitrile

tetraphenyldithiapyranylidene (3,3',5,5'-tetraphenyl-4,4'-dithia-1,1'-bi-2,5-cyclohexadienylidene)