3,6-Dibromo-9-(4-tert-butyl-phenyl)-9H-carbazole

Base Information

• Chemical Name: 3,6-Dibromo-9-(4-tert-butyl-phenyl)-9H-carbazole
• CAS No.: 741293-42-5
• Molecular Formula: C22H19Br2N
• Molecular Weight: 457.208
• Hs Code.: 2933990090
• Mol file: 741293-42-5.mol

Synonyms:3,6-dibromo-9-(4-tert-butylphenyl)-9H-carbazole;9-(4-tert-butylphenyl)-3,6-dibromo-carbazole;9H-Carbazole,3,6-dibromo-9-[4-(1,1-dimethylethyl)phenyl];

Chemical Property of 3,6-Dibromo-9-(4-tert-butyl-phenyl)-9H-carbazole

Chemical Property:

• Melting Point: 216.0 to 220.0 °C
• PSA: 4.93000
• LogP: 7.60620
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

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

3,6-Dibromo-9-(4-tert-butylphenyl)-9H-carbazole >98.0%(HPLC)(N) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3,6-Dibromo-9-(4-tert-butyl-phenyl)-9H-carbazole

There total 5 articles about 3,6-Dibromo-9-(4-tert-butyl-phenyl)-9H-carbazole 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: 88.0%

9-(4-(tert-butyl)phenyl)-9H-carbazole (57103-13-6) → 3,6-dibromo-9-(4-(tert-butyl)phenyl)-9H-carbazole (741293-42-5)

Guidance literature:

With N-Bromosuccinimide; In N,N-dimethyl-formamide; at 0 ℃; for 2h;

DOI:10.1021/ol051977h

Reference yield:

1-bromo-4-tert-butylbenzene (3972-65-4) → 3,6-dibromo-9-(4-(tert-butyl)phenyl)-9H-carbazole (741293-42-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 92 percent / K₂CO₃; tBu₃P / Pd(OAc)2 / o-xylene

2: 88 percent / N-bromosuccinimide / dimethylformamide / 2 h / 0 °C

With N-Bromosuccinimide; tri-tert-butyl phosphine; potassium carbonate; palladium diacetate; In o-xylene; N,N-dimethyl-formamide;

DOI:10.1021/ol051977h

Reference yield:

9H-carbazole (86-74-8,105184-46-1,97960-57-1) → 3,6-dibromo-9-(4-(tert-butyl)phenyl)-9H-carbazole (741293-42-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 92 percent / K₂CO₃; tBu₃P / Pd(OAc)2 / o-xylene

2: 88 percent / N-bromosuccinimide / dimethylformamide / 2 h / 0 °C

With N-Bromosuccinimide; tri-tert-butyl phosphine; potassium carbonate; palladium diacetate; In o-xylene; N,N-dimethyl-formamide;

DOI:10.1021/ol051977h

upstream raw materials:

9-(4-(tert-butyl)phenyl)-9H-carbazole

1-bromo-4-tert-butylbenzene

9H-carbazole

1-tert-butyl-4-iodobenzene

Downstream raw materials:

C₄₈H₃₇NO₂

3-trimethylstannyl-6-bromo-9-(4-tert-butylphenyl)carbazole

3,6-dipyren-1-yl-9-(4'-tert-butylphenyl)carbazole

9-(4-tert-butylphenyl)-3,6-bis(triphenylsilyl)-9H-carbazole

Refernces

• 1、 Wei, Lingjuan,Li, Jie,Xue, Kai,Ye, Shanghui,Jiang, Hongji. "Synthesis and structure-property correlation of blue fluorescence isomer emitters based on rigid pyrazine-bridged carbazole frameworks". . p. 16629 - 16638. Retrieved 2019/11/11.