Spiro-2CBP , 2,7-Bis(9-carbazolyl)-9,9-sspirobifluorene

Base Information

• Chemical Name: Spiro-2CBP , 2,7-Bis(9-carbazolyl)-9,9-sspirobifluorene
• CAS No.: 924899-38-7
• Molecular Formula: C49H30N2
• Molecular Weight: 646.78
• Mol file: 924899-38-7.mol

Synonyms:2,7-Bis(carbazol-9-yl)-9,9-spirobifluorene; Spiro-2CBP

Chemical Property of Spiro-2CBP , 2,7-Bis(9-carbazolyl)-9,9-sspirobifluorene

Chemical Property:

• Melting Point: 391-396°C
• PSA: 9.86000
• Density: 1.28±0.1 g/cm3 (20 °C, 760 mmHg)
• LogP: 12.22430

Purity/Quality:

99% ^*data from raw suppliers

Spiro-2CBP ≥98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: This material is a popular phosphorescent host material for OLED devices.

Technology Process of Spiro-2CBP , 2,7-Bis(9-carbazolyl)-9,9-sspirobifluorene

There total 3 articles about Spiro-2CBP , 2,7-Bis(9-carbazolyl)-9,9-sspirobifluorene 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: 85.0%

9H-carbazole (86-74-8,105184-46-1,97960-57-1) + 2,7-dibromo-9,9'-spirobi[fluorene] (171408-84-7) → 9,9'-(9,9'-spirobi[fluorene]-2,7-diyl)bis-9H-carbazole (924899-38-7)

Guidance literature:

9H-carbazole; With copper(l) iodide; 18-crown-6 ether; potassium carbonate; In N,N-dimethyl acetamide; at 165 ℃; for 2h; Inert atmosphere;

2,7-dibromo-9,9'-spirobi[fluorene]; In N,N-dimethyl acetamide; for 24h; Inert atmosphere; Reflux;

DOI:10.1002/adfm.201001153

Reference yield:

2-Bromobiphenyl (2052-07-5) → 9,9'-(9,9'-spirobi[fluorene]-2,7-diyl)bis-9H-carbazole (924899-38-7)

Guidance literature:

Multi-step reaction with 3 steps

1.1: magnesium / tetrahydrofuran

1.2: Reflux

2.1: ammonium chloride / 20 °C

2.2: Reflux

3.1: copper(l) iodide; 18-crown-6 ether; potassium carbonate / N,N-dimethyl acetamide / 2 h / 165 °C / Inert atmosphere

3.2: 24 h / Inert atmosphere; Reflux

With copper(l) iodide; 18-crown-6 ether; potassium carbonate; ammonium chloride; magnesium; In tetrahydrofuran; N,N-dimethyl acetamide; 3.1: Ullmann coupling / 3.2: Ullmann coupling;

DOI:10.1002/adfm.201001153

Reference yield:

2,7-dibromofluorene-9-one (14348-75-5) → 9,9'-(9,9'-spirobi[fluorene]-2,7-diyl)bis-9H-carbazole (924899-38-7)

Guidance literature:

Multi-step reaction with 3 steps

1.1: magnesium / tetrahydrofuran

1.2: Reflux

2.1: ammonium chloride / 20 °C

2.2: Reflux

3.1: copper(l) iodide; 18-crown-6 ether; potassium carbonate / N,N-dimethyl acetamide / 2 h / 165 °C / Inert atmosphere

3.2: 24 h / Inert atmosphere; Reflux

With copper(l) iodide; 18-crown-6 ether; potassium carbonate; ammonium chloride; magnesium; In tetrahydrofuran; N,N-dimethyl acetamide; 3.1: Ullmann coupling / 3.2: Ullmann coupling;

DOI:10.1002/adfm.201001153

upstream raw materials:

2-Bromobiphenyl

2,7-dibromofluorene-9-one

9H-carbazole

2,7-dibromo-9,9'-spirobi[fluorene]

Refernces