4,4-di-2-ethylhexyl-dithieno[3,2-b:2',3'-d]silole

Base Information

• Chemical Name: 4,4-di-2-ethylhexyl-dithieno[3,2-b:2',3'-d]silole
• CAS No.: 1207627-85-7
• Molecular Formula: C24H38S2Si
• Molecular Weight: 418.783
• Mol file: 1207627-85-7.mol

Synonyms:4,4-di(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b']dithiophene;4,4'-bis(2-ethylhexyl)-dithieno[3,2-b:2',3'-d]silole;bis(2-ethylhexyl)silylene-2,2'-bithiophene;4,4'-bis(2-ethylhexyl)dithieno[3,2-b:2',3'-d]silole;4,4-bis(2-ethylhexyl)dithieno[3,2-b:2',3'-d]silole;

Chemical Property of 4,4-di-2-ethylhexyl-dithieno[3,2-b:2',3'-d]silole

Chemical Property:

• Boiling Point: 489.9±33.0 °C(Predicted)
• PSA: 56.48000
• Density: 1.02±0.1 g/cm3(Predicted)
• LogP: 7.78580

Purity/Quality:

≥99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,4-di-2-ethylhexyl-dithieno[3,2-b:2',3'-d]silole

There total 6 articles about 4,4-di-2-ethylhexyl-dithieno[3,2-b:2',3'-d]silole 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: 96.0%

2,2′-bistrimethylstannyl-4,4′-bis-(2-ethylhexyl)dithieno[3,2-b:2′,3′-d]silole (1089687-06-8) → 4,4'-bis-(2-ethylhexyl)-dithieno[3,2-b:2',3'-d]silole (1207627-85-7)

Guidance literature:

With potassium carbonate; In hexane; Reagent/catalyst;

Reference yield: 67.0%

3,3'dibromo-2,2'-bithiophene (51751-44-1) + dichloro-bis(2-ethylhexyl)silane (1089687-03-5) → 4,4'-bis-(2-ethylhexyl)-dithieno[3,2-b:2',3'-d]silole (1207627-85-7)

Guidance literature:

3,3'dibromo-2,2'-bithiophene; With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; In tetrahydrofuran; hexane; at -78 ℃; for 1h;

dichloro-bis(2-ethylhexyl)silane; In tetrahydrofuran; hexane; at -78 - 20 ℃;

DOI:10.1142/S1088424619500366

Reference yield:

2,2′-bistrimethylstannyl-4,4′-bis-(2-ethylhexyl)dithieno[3,2-b:2′,3′-d]silole (1089687-06-8) → 4,4'-bis-(2-ethylhexyl)-dithieno[3,2-b:2',3'-d]silole (1207627-85-7) + 5-trimethylstannyl-3,3′-bis(2-ethylhexyl)silylene-2,2′-bithiophene (1228237-08-8)

Guidance literature:

With potassium carbonate; In hexane; Reagent/catalyst; Overall yield = 95 %; Overall yield = 0.95 g;

upstream raw materials:

3,3'dibromo-2,2'-bithiophene

dichloro-bis(2-ethylhexyl)silane

3,3',5,5'-tetrabromo-2,2'-bithiophene

2,2'-Bithiophene

Downstream raw materials:

2,2′-bistrimethylstannyl-4,4′-bis-(2-ethylhexyl)dithieno[3,2-b:2′,3′-d]silole

2,6-dibromo-4,4-bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b']dithiophene