Dibenzofluorene

Base Information

• Chemical Name: Dibenzofluorene
• CAS No.: 201-65-0
• Molecular Formula: C21H14
• Molecular Weight: 266.35
• Hs Code.: 2902909090
• UNII: L77849WNUX
• DSSTox Substance ID: DTXSID10942124
• Nikkaji Number: J36.991H
• Wikidata: Q27282803
• Mol file: 201-65-0.mol

Synonyms:Dibenzofluorene;13H-Dibenzo(a,c)fluorene;1,2,3,4-Dibenzfluorene;13H-Indeno(1,2-1)phenanthrene;BRN 1967121;201-65-0;13H-Indeno(1,2-l)phenanthrene;13H-Indeno[1,2-l]phenanthrene;UNII-L77849WNUX;L77849WNUX;73560-78-8;DTXSID10942124;J36.991H;LS-81848;9,10-(1,2-PHENYLENEMETHYLENE)PHENANTHRENE;Q27282803

Chemical Property of Dibenzofluorene

Chemical Property:

• Vapor Pressure: 2.93E-09mmHg at 25°C
• Melting Point: 158-159 °C
• Refractive Index: 1.764
• Boiling Point: 489.653 °C at 760 mmHg
• Flash Point: 242.874 °C
• PSA: 0.00000
• Density: 1.23 g/cm³
• LogP: 5.56420
• XLogP3: 6.9
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 266.109550447
• Heavy Atom Count: 21
• Complexity: 386

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1C2=CC=CC=C2C3=C1C4=CC=CC=C4C5=CC=CC=C53

Technology Process of Dibenzofluorene

There total 32 articles about Dibenzofluorene 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: 73.0%

9,10-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenanthrene (1091603-62-1) + 1-Bromo-2-bromomethyl-benzene (3433-80-5) → 13H-indeno[1,2-l]phenanthrene (201-65-0)

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; caesium carbonate; In tetrahydrofuran; water; at 60 ℃; for 48h;

DOI:10.1055/s-0029-1218341

Reference yield: 50.0%

13H-1,2,3,4,5,6,7,8-octahydrobicyclohexafluorene (7080-31-1) → 13H-indeno[1,2-l]phenanthrene (201-65-0)

Guidance literature:

With selenium; at 320 ℃; for 20h;

Reference yield: 50.0%

13H-1,2,3,4,5,6,7,8,13a,13b-decahydrobicyclohexafluorene (80654-81-5) → 13H-indeno[1,2-l]phenanthrene (201-65-0)

Guidance literature:

With selenium; at 320 ℃; for 20h;

upstream raw materials:

spiro[fluorene-9,2'-indan]-1'-ol

13H-1,2,3,4,5,6,7,8-octahydrobicyclohexafluorene

2,3,4,5,6,7,8,8a,8b,13,13a,13b-dodecahydro-1H-indeno[1,2-l]phenanthrene

3-biphenyl-2-yl-indene

Refernces

• 1、 Bergmann,Blum-Bergmann. "-". . p. 1678,1680. Retrieved 1936.
• 2、 Shimizu, Masaki,Tomioka, Yosuke,Nagao, Ikuhiro,Hiyama, Tamejiro. "Palladium-catalyzed double cross-coupling reaction of vic-diborylalkenes and -arenes with vic-bromo(bromomethyl)arenes". scheme or table. p. 3147 - 3150. Retrieved 2010/03/24.