N-Octyl-2,7-dibromocarbazole

Base Information

• Chemical Name: N-Octyl-2,7-dibromocarbazole
• CAS No.: 726169-75-1
• Molecular Formula: C20H23Br2N
• Molecular Weight: 437.217
• Hs Code.: 2933990090
• Mol file: 726169-75-1.mol

Synonyms:2,7-dibromo-9-octyl-9H-carbazole;2,5-DIMETHYL-7,7,8,8-TETRACYANOQUINODIMETHANE;N-octyl-2,7-dibromocarbazole;

Chemical Property of N-Octyl-2,7-dibromocarbazole

Chemical Property:

• Melting Point: 66-67℃
• Boiling Point: 507.5±43.0 °C(Predicted)
• PSA: 4.93000
• Density: 1.43
• LogP: 7.68000
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

97% ^*data from raw suppliers

2,7-Dibromo-9-octyl-9H-carbazole ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of N-Octyl-2,7-dibromocarbazole

There total 4 articles about N-Octyl-2,7-dibromocarbazole 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%

1-bromo-octane (111-83-1) + 2,7-dibromo-9H-carbazole (136630-39-2) → 2,7-dibromo-9-octyl-9H-carbazole (726169-75-1)

Guidance literature:

With tetrabutylammomium bromide; sodium hydroxide; In dimethyl sulfoxide; at 20 ℃; for 8h;

DOI:10.1016/j.orgel.2017.06.054

Reference yield: 80.3%

→ 2,7-dibromo-9-octyl-9H-carbazole (726169-75-1)

Guidance literature:

With sodium hydride; In N,N-dimethyl-formamide; mineral oil; at 0 - 20 ℃; for 0.5h; Inert atmosphere;

In N,N-dimethyl-formamide; mineral oil; at 20 ℃; for 16h; Inert atmosphere;

Reference yield:

4-(4-bromophenyl)bromobenzene (92-86-4) → 2,7-dibromo-9-octyl-9H-carbazole (726169-75-1)

Guidance literature:

Multi-step reaction with 3 steps

1: nitric acid; acetic acid; acetic anhydride / dichloromethane / 20 °C

2: triphenylphosphine / 1,2-dichloro-benzene / 20 °C

3: tetra-n-propylammonium perruthenate.; sodium hydroxide / butanone / 70 °C

With tetra-n-propylammonium perruthenate.; nitric acid; acetic anhydride; acetic acid; triphenylphosphine; sodium hydroxide; In dichloromethane; 1,2-dichloro-benzene; butanone;

DOI:10.1002/chem.201201471

upstream raw materials:

1-bromo-octane

2,7-dibromo-9H-carbazole

4-(4-bromophenyl)bromobenzene

4,4'-dibromo-2-nitro-biphenyl

Downstream raw materials:

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