9,9-Bis(4-methylphenyl)-9H-fluorene

Base Information

• Chemical Name: 9,9-Bis(4-methylphenyl)-9H-fluorene
• CAS No.: 54941-50-3
• Molecular Formula: C27H22
• Molecular Weight: 346.472
• Hs Code.: 2902909090
• Mol file: 54941-50-3.mol

Synonyms:9,9-Bis(4-methylphenyl)-9H-fluorene

Chemical Property of 9,9-Bis(4-methylphenyl)-9H-fluorene

Chemical Property:

• Melting Point: 164-165 oC
• Boiling Point: 469.2±40.0 °C(Predicted)
• PSA: 0.00000
• Density: 1.126
• LogP: 6.66650
• Storage Temp.: 2-8°C
• Solubility.: soluble in Toluene

Purity/Quality:

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

9,9-Di(p-tolyl)fluorene >98.0%(GC) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 9,9-Bis(4-methylphenyl)-9H-fluorene

There total 6 articles about 9,9-Bis(4-methylphenyl)-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: 89.0%

9H-fluorene (86-73-7) + para-bromotoluene (106-38-7) → 9,9-dip-tolyl-9H-fluorene (54941-50-3)

Guidance literature:

With potassium tert-butylate; triphenylphosphine; bis(dibenzylideneacetone)-palladium⁽⁰⁾; In toluene; at 100 ℃; for 12h; Catalytic behavior; Schlenk technique; Inert atmosphere; Glovebox;

DOI:10.1021/ol4013052

Reference yield:

bis(p-methylphenyl)-methanone (611-97-2) → 9,9-dip-tolyl-9H-fluorene (54941-50-3)

Guidance literature:

Multi-step reaction with 2 steps

2: H₂SO₄ / aq. acetic acid / 15 - 35 °C

With sulfuric acid; In acetic acid;

DOI:10.1021/ja00986a018

Reference yield:

2-biphenylmagnesium bromide (82214-69-5) → 9,9-dip-tolyl-9H-fluorene (54941-50-3)

Guidance literature:

Multi-step reaction with 2 steps

2: H₂SO₄ / aq. acetic acid / 15 - 35 °C

With sulfuric acid; In acetic acid;

DOI:10.1021/ja00986a018

upstream raw materials:

Biphenyl-2-yl-di-p-tolyl-methanol

9-fluorenone

toluene

bis(p-methylphenyl)-methanone

Downstream raw materials:

4,4'-(9-fulloreniriden)-bis-benzoic acid

Dihydrazid von 9,9-Bis-(4-carboxyphenyl)-fluoren

Dimethylester von 9,9-Bis-(4-carboxyphenyl)-fluoren

Saeurechlorid von 9,9-Bis-(4-carboxyphenyl)-fluoren

Refernces