4-BroMo-9,9-diphenyl-9H-fluorene

Base Information

• Chemical Name: 4-BroMo-9,9-diphenyl-9H-fluorene
• CAS No.: 713125-22-5
• Molecular Formula: C₂₅H₁₇Br
• Molecular Weight: 397.314
• Hs Code.: 2903999090
• Mol file: 713125-22-5.mol

Synonyms:4-BroMo-9,9-diphenyl-9H-fluorene;4-BroMo-9,9-diphenyl-9H-fluorne

Chemical Property of 4-BroMo-9,9-diphenyl-9H-fluorene

Chemical Property:

• Melting Point: 213.5-214.5℃ (ethanol )
• Boiling Point: 480.5±24.0 °C(Predicted)
• PSA: 0.00000
• Density: 1.363±0.06 g/cm3(Predicted)
• LogP: 6.81220
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

99.8% ^*data from raw suppliers

4-Bromo-9,9-diphenyl-9H-fluorene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4-BroMo-9,9-diphenyl-9H-fluorene

There total 2 articles about 4-BroMo-9,9-diphenyl-9H-fluorene 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: 70.0%

benzophenone (119-61-9) + 2,2'-dibromobiphenyl (13029-09-9) → 4-bromo-9,9-diphenyl-9H-fluorene (713125-22-5)

Guidance literature:

2,2'-dibromobiphenyl; With n-butyllithium; In tetrahydrofuran; hexane; at -78 - 70 ℃; for 2h;

benzophenone; In tetrahydrofuran; hexane; at -70 ℃;

Reference yield:

2,2'-dibromobiphenyl (13029-09-9) → 2,2'-bis(hydroxyldiphenylmethyl)biphenyl (18076-62-5) + 4-bromo-9,9-diphenyl-9H-fluorene (713125-22-5)

Guidance literature:

With n-butyllithium; diethyl ether; at -20 ℃; anschliessend Behandeln mit Benzophenon;

DOI:10.1021/ja01591a053

Reference yield:

4-bromo-9,9-diphenyl-9H-fluorene (713125-22-5) → 4-(4-bromophenyl)-9,9-diphenylfluorene

Guidance literature:

Multi-step reaction with 2 steps

1.1: n-butyllithium / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere

1.2: -78 - 20 °C

2.1: potassium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾ / tetrahydrofuran; water / 5 h / Inert atmosphere; Reflux

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; potassium carbonate; In tetrahydrofuran; water; 2.1: |Suzuki Coupling;

upstream raw materials:

2,2'-dibromobiphenyl

benzophenone

Refernces

• 1、 -. "MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES". Paragraph 0114; 0117. . Retrieved 2019/05/07.
• 2、 -. "MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES". Page/Page column 52. . Retrieved 2016/12/26.