Fluorene, 9-(diphenylmethylene)-

Base Information

• Chemical Name: Fluorene, 9-(diphenylmethylene)-
• CAS No.: 4709-68-6
• Molecular Formula: C26H18
• Molecular Weight: 330.429
• Hs Code.: 2902909090
• NSC Number: 43433
• DSSTox Substance ID: DTXSID80963740
• Nikkaji Number: J103.617C
• Wikidata: Q82945654
• Mol file: 4709-68-6.mol

Synonyms:Benzhydrylidenefluorene;4709-68-6;Fluorene, 9-(diphenylmethylene)-;9-(Diphenylmethylene)-9H-fluorene;9-benzhydrylidenefluorene;1,1-Diphenyl-2-biphenyleneethylene;9H-Fluorene, 9-(diphenylmethylene)-;9-(diphenylmethylene)fluorene;NSC43433;Benzhydrylidene fluorene;9-benzhydrylidene-fluorene;DTXSID80963740;9-(diphenylmethylidene)-9H-fluorene;MFCD00051452;NSC-43433;9-(Diphenylmethylene)-9H-fluorene #;CS-0452792;FT-0622665

Chemical Property of Fluorene, 9-(diphenylmethylene)-

Chemical Property:

• Vapor Pressure: 8.38E-08mmHg at 25°C
• Melting Point: 230-232oC
• Boiling Point: 448.2°Cat760mmHg
• Flash Point: 222.2°C
• PSA: 0.00000
• Density: 1.169g/cm³
• LogP: 6.67440
• Storage Temp.: −20°C
• XLogP3: 7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 2
• Exact Mass: 330.140850574
• Heavy Atom Count: 26
• Complexity: 458

Purity/Quality:

99% ^*data from raw suppliers

BENZHYDRYLIDENEFLUORENE 95.00% ^*data from reagent suppliers

Safty Information:

• Safety Statements: S22:Do not inhale dust.; S24/25:Avoid contact with skin and eyes.

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C(=C2C3=CC=CC=C3C4=CC=CC=C42)C5=CC=CC=C5

Technology Process of Fluorene, 9-(diphenylmethylene)-

There total 58 articles about Fluorene, 9-(diphenylmethylene)- 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: 99.0%

9-hydroxy-9-benzhydrylfluorene (4709-67-5) → 9-benzhydrylidenefluorene (4709-68-6)

Guidance literature:

With o-toluenesulfonic acid; In benzene; Heating;

DOI:10.1021/jo0009200

Reference yield: 96.0%

2-iodobiphenyl (2113-51-1) + 2-bromo-3,3-diphenyl-acrylic acid (4541-91-7) → 9-benzhydrylidenefluorene (4709-68-6)

Guidance literature:

With potassium acetate; palladium diacetate; potassium carbonate; tris-(o-tolyl)phosphine; In dimethyl sulfoxide; at 110 ℃; for 6h; Schlenk technique; Inert atmosphere;

DOI:10.1021/acs.orglett.1c01888

Reference yield: 91.0%

Fluor(2,2,6,6-tetramethylpiperidino)<9-(trimethylsilyl)-9H-fluoren-9-yl>boran (104172-71-6) → 2,4,6-tris(2,2,6,6-tetramethylpiperidino)boroxine (96097-12-0) + trimethylsilyl fluoride (420-56-4) + 9-benzhydrylidenefluorene (4709-68-6)

Guidance literature:

With benzophenone; In further solvent(s); refluxing for 7 h in hexadecane under N2; cooled, filtered, solvents removed from the filtrate, sublimed, NMR;

upstream raw materials:

benzophenone

fluoren-9-ylmagnesium bromide

9H-fluorene

Diphenylmethane

Downstream raw materials:

9-benzoyl-9-phenylfluorene

9-fluorenone

9,10-diphenylphenanthrene

benzophenone

Refernces

• 1、 Rodrigues, Ana Clara B.,Peixoto, Mariana,Gomes, Carla,Pineiro, Marta,Seixas de Melo, J. Sérgio. "Aggregation-Induced Emission Leading to White Light Emission in Diphenylbenzofulvene Derivatives". supporting information. . Retrieved 2022/01/19.
• 2、 Zhao, Ya-Heng,Wang, Jian-Long,Zhou, Yun-Bing,Liu, Miao-Chang,Wu, Hua-Yue. "Palladium-catalyzed coupling reaction of 2-iodobiphenyls with alkenyl bromides for the construction of 9-(diorganomethylidene)fluorenes". supporting information. p. 8250 - 8253. Retrieved 2021/10/12.