9H-CARBAZOLE-2-BORONIC ACID PINACOL ESTER

Base Information

• Chemical Name: 9H-CARBAZOLE-2-BORONIC ACID PINACOL ESTER
• CAS No.: 1242412-60-7
• Molecular Formula: C₁₈H₂₀BNO₂
• Molecular Weight: 293.173
• Mol file: 1242412-60-7.mol

Synonyms:2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole

Chemical Property of 9H-CARBAZOLE-2-BORONIC ACID PINACOL ESTER

Chemical Property:

• Melting Point: 195.0 to 200.0 °C
• Boiling Point: 474.3±18.0 °C(Predicted)
• PKA: 17.00±0.30(Predicted)
• Density: 1.16±0.1 g/cm3(Predicted)

Purity/Quality:

98%min ^*data from raw suppliers

2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 9H-CARBAZOLE-2-BORONIC ACID PINACOL ESTER

There total 3 articles about 9H-CARBAZOLE-2-BORONIC ACID PINACOL ESTER 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: 92.0%

2-bromo-9H-carbazole (3652-90-2) + bis(pinacol)diborane (73183-34-3) → 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole (1242412-60-7)

Guidance literature:

With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate; In N,N-dimethyl-formamide; at 85 ℃; for 4h; Sealed tube; Inert atmosphere;

Reference yield: 87.0%

2-iodo-9H-carbazole (353254-12-3) + bis(pinacol)diborane (73183-34-3) → 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole (1242412-60-7)

Guidance literature:

With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; In dimethyl sulfoxide; at 80 ℃; for 24h; Inert atmosphere;

Reference yield: 77.1%

→ 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole (1242412-60-7)

Guidance literature:

With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate; In toluene; for 12h; Inert atmosphere; Reflux;

upstream raw materials:

2-iodo-9H-carbazole

bis(pinacol)diborane

2-bromo-9H-carbazole

Downstream raw materials:

12H-benzo[4,5]thieno[2,3-a]carbazole

Refernces

• 1、 -. "An electroluminescent compound and an electroluminescent device comprising the same". Paragraph 0273; 0304-0309; 0429-0435. . Retrieved 2020/12/16.
• 2、 -. "Material for organic electroluminescence device and organic electroluminescence device". Page/Page column 145; 151; 152. . Retrieved 2016/05/02.