9,9-Dioctyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-9-silafluorene

Base Information

• Chemical Name: 9,9-Dioctyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-9-silafluorene
• CAS No.: 958293-23-7
• Molecular Formula: C40H64B2O4Si
• Molecular Weight: 658.653
• Mol file: 958293-23-7.mol

Synonyms:9,9-Dioctyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-9-silafluorene;2-[5,5-dioctyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[b][1]benzosilol-8-yl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;

Chemical Property of 9,9-Dioctyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-9-silafluorene

Chemical Property:

• Melting Point: 115-120℃
• Boiling Point: 682.2 °C at 760 mmHg
• Flash Point: 366.4 °C
• PSA: 36.92000
• Density: 1.01 g/cm³
• LogP: 8.54940
• Storage Temp.: Inert atmosphere,Room Temperature

Purity/Quality:

98%,99%, ^*data from raw suppliers

9,9-Dioctyl-9H-9-silafluorene-2,7-bis(boronic acid pinacol ester) 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 9,9-Dioctyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-9-silafluorene is used in the synthesis of low-band gap photovoltaic polymer materials that give power conversion efficiences of approx 3%1. This material is used in the synthesis of low-band gap photovoltaic polymer materials that give power conversion efficiences of approx 3%.

Technology Process of 9,9-Dioctyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-9-silafluorene

There total 7 articles about 9,9-Dioctyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-9-silafluorene 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: 80.0%

3,7-dibromo-5,5-di-n-octyl-dibenzo[b,d]silole (891182-24-4) + 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (61676-62-8) → 5,5-dioctyl-3,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5H-dibenzo[b,d]silole (958293-23-7)

Guidance literature:

3,7-dibromo-5,5-di-n-octyl-dibenzo[b,d]silole; With tert.-butyl lithium; In tetrahydrofuran; pentane; at -78 ℃; for 0.25h;

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; In tetrahydrofuran; pentane; at 25 ℃; Further stages.;

DOI:10.1021/ja800424m

Reference yield:

3,7-dibromo-5,5-di-n-octyl-dibenzo[b,d]silole (891182-24-4) + bis(pinacol)diborane (73183-34-3) → 5,5-dioctyl-3,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5H-dibenzo[b,d]silole (958293-23-7)

Guidance literature:

With potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In 1,4-dioxane; at 80 ℃; for 5.5h; Inert atmosphere;

Reference yield:

4,4’-dibromo-2,2’-diiodo-1,1’-biphenyl (852138-89-7) → 5,5-dioctyl-3,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5H-dibenzo[b,d]silole (958293-23-7)

Guidance literature:

Multi-step reaction with 2 steps

1.1: tert.-butyl lithium / tetrahydrofuran; hexane / 0.5 h / -90 °C / Inert atmosphere

1.2: -90 - 20 °C / Inert atmosphere

2.1: tert.-butyl lithium / tetrahydrofuran; hexane / 0.33 h / -78 °C / Inert atmosphere

2.2: -78 - 20 °C / Inert atmosphere

With tert.-butyl lithium; In tetrahydrofuran; hexane;

DOI:10.1039/c1jm11242b

upstream raw materials:

3,7-dibromo-5,5-di-n-octyl-dibenzo[b,d]silole

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

bis(pinacol)diborane

4,4’-dibromo-2,2’-diiodo-1,1’-biphenyl

Post a RFQ

Cas No.:

Product Name:

Quantity:

Please select Metric Ton KG G Pound L ML

Email:

Company name:

Valid Period:

Detailed Requirements:

• Sample
• MOQ
• GMP
• FDA
• Price
  FOB CIF CFR EXW
• Urgent purchase

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

Remove

Submit

1

What can I do for you?
Get Best Price

Get Best Price for 958293-23-7 9,9-Dioctyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-9-silafluorene

Send

Send

Metric Ton KG G Pound L ML

Send

Send