2,5,8,11-tetraphenylcycloocta[1,2-b:4,3-b':5,6-b'':8,7-b''']tetrathiophene

Base Information

• Chemical Name: 2,5,8,11-tetraphenylcycloocta[1,2-b:4,3-b':5,6-b'':8,7-b''']tetrathiophene
• CAS No.: 1520923-54-9
• Molecular Formula: C₄₀H₂₄S₄
• Molecular Weight: 632.895
• Mol file: 1520923-54-9.mol

Synonyms:2,5,8,11-tetraphenylcycloocta[1,2-b:4,3-b':5,6-b'':8,7-b''']tetrathiophene

Chemical Property of 2,5,8,11-tetraphenylcycloocta[1,2-b:4,3-b':5,6-b'':8,7-b''']tetrathiophene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,5,8,11-tetraphenylcycloocta[1,2-b:4,3-b':5,6-b'':8,7-b''']tetrathiophene

There total 8 articles about 2,5,8,11-tetraphenylcycloocta[1,2-b:4,3-b':5,6-b'':8,7-b''']tetrathiophene 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: 83.0%

2,5,8,11-tetrabromocycloocta[1, 2-b:4, 3-b':5, 6-b'':8, 7-b''']tetrathiophene + phenylboronic acid (98-80-6) → 2,5,8,11-tetraphenylcycloocta[1,2-b:4,3-b':5,6-b'':8,7-b''']tetrathiophene (1520923-54-9)

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In tetrahydrofuran; water; at 95 ℃; for 36h; Inert atmosphere; Schlenk technique;

DOI:10.1016/j.tet.2013.12.002

Reference yield: 78.0%

5,5’-diphenyl-3,3’-bithiophene (83495-28-7) → 2,5,8,11-tetraphenylcycloocta[1,2-b:4,3-b':5,6-b'':8,7-b''']tetrathiophene (1520923-54-9)

Guidance literature:

With palladium diacetate; silver pivalate; benzoic acid; In toluene; at 120 ℃; for 16h; Reagent/catalyst; Catalytic behavior; Inert atmosphere; Sealed tube;

DOI:10.1002/anie.201707515

Reference yield: 7.0%

C46H60P2PdS2 → 2,5,8,11-tetraphenylcycloocta[1,2-b:4,3-b':5,6-b'':8,7-b''']tetrathiophene (1520923-54-9)

Guidance literature:

With silver pivalate; In toluene; at 120 ℃; for 16h;

DOI:10.1002/anie.201707515

upstream raw materials:

phenylboronic acid

2,2′-dibromo-[3,3′]bithiophene

5,5’-diphenyl-3,3’-bithiophene

4-bromo-2-phenyl thiophene