9,9-Diphenylfluorene

Base Information

• Chemical Name: 9,9-Diphenylfluorene
• CAS No.: 20302-14-1
• Molecular Formula: C25H18
• Molecular Weight: 330.513
• Hs Code.: 29029090
• Mol file: 20302-14-1.mol

Synonyms:9,9-diphenylfluorene;Fluorene, 9,9-diphenyl-;

Chemical Property of 9,9-Diphenylfluorene

Chemical Property:

• Vapor Pressure: 1.72E-07mmHg at 25°C
• Melting Point: 224.0 to 228.0 °C
• Refractive Index: 1.668
• Boiling Point: 438.9 °C at 760 mmHg
• Flash Point: 216 °C
• PSA: 0.00000
• Density: 1.157 g/cm³
• LogP: 6.04970
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility.: soluble in Toluene

Purity/Quality:

99%min ^*data from raw suppliers

9,9-Diphenylfluorene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

Technology Process of 9,9-Diphenylfluorene

There total 36 articles about 9,9-Diphenylfluorene 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: 93.0%

bromobenzene (108-86-1,52753-63-6) + 9H-fluorene (86-73-7) → 9,9-diphenylfluorene (20302-14-1)

Guidance literature:

9H-fluorene; With potassium tert-butylate; bis(dibenzylideneacetone)-palladium⁽⁰⁾; tricyclohexylphosphine; In toluene; at 90 - 110 ℃; Inert atmosphere; Molecular sieve;

bromobenzene; In toluene; at 90 - 110 ℃; Inert atmosphere; Molecular sieve;

Reference yield: 92.0%

9-phenyl-fluoren-9-ol (25603-67-2) + benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1) → 9,9-diphenylfluorene (20302-14-1)

Guidance literature:

trifluorormethanesulfonic acid;

DOI:10.1016/S0040-4039(00)81330-1

Reference yield: 86.0%

(biphenyl-2-yl)(diphenyl)methanol (6326-62-1) → 9,9-diphenylfluorene (20302-14-1)

Guidance literature:

With trifluorormethanesulfonic acid; In dichloromethane; at 20 ℃; for 0.0833333h;

DOI:10.1016/j.tet.2008.07.021

upstream raw materials:

bromobenzene

9H-fluorene

(biphenyl-2-yl)(diphenyl)methanol

acetic acid

Downstream raw materials:

2-nitro-9,9-diphenylfluorene

N-(naphthalen-1-yl)-9,9-diphenyl-9H-fluoren-2-amine

2,7-dibromo-9,9-diphenyl-9H-fluorene

phenyl radical

Refernces

• 1、 Wilson, R. Marshall,Romanova, Tatiana N.,Azadnia, Ardeshir,Bauer, Jeanette A. Krause,Johnson, Richard P.. "The Argon Laser-Jet Initiated, Multiple-Photon (Reluctant), Electrocyclic Ring Opening of 10,10-Diphenyl-9-(10H)-phenanthrenone: A Carbene and Biradical Modeling Study.". . p. 5401 - 5404. Retrieved 1994.
• 2、 Bhanuchandra,Yorimitsu, Hideki,Osuka, Atsuhiro. "Synthesis of spirocyclic diarylfluorenes by one-pot twofold SNAr reactions of diaryl sulfones with diarylmethanes". supporting information. p. 384 - 387. Retrieved 2016/02/19.