7H-Dibenzo(c,g)fluoren-7-one

Base Information

• Chemical Name: 7H-Dibenzo(c,g)fluoren-7-one
• CAS No.: 86853-97-6
• Molecular Formula: C21H12O
• Molecular Weight: 280.326
• DSSTox Substance ID: DTXSID60235871
• Nikkaji Number: J374.883I
• Wikidata: Q72463483

Synonyms:7H-Dibenzo(c,g)fluoren-7-one;CCRIS 3171;86853-97-6;7H-dibenzo[c,g]fluoren-7-one;binaphthyl ketone;SCHEMBL12236188;DTXSID60235871;LS-61038;pentacyclo[11.8.0.02,11.03,8.016,21]henicosa-1(13),2(11),3,5,7,9,14,16,18,20-decaen-12-one

Chemical Property of 7H-Dibenzo(c,g)fluoren-7-one

Chemical Property:

• Vapor Pressure: 5.98E-11mmHg at 25°C
• Boiling Point: 520.9°Cat760mmHg
• Flash Point: 233.8°C
• Density: 1.315g/cm³
• XLogP3: 5.6
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 280.088815002
• Heavy Atom Count: 22
• Complexity: 415

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)C=CC3=C2C4=C(C3=O)C=CC5=CC=CC=C54

Technology Process of 7H-Dibenzo(c,g)fluoren-7-one

There total 3 articles about 7H-Dibenzo(c,g)fluoren-7-one 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: 47.0%

1,1'-binaphthyl-2,2'-dicarboxylic acid (18531-96-9,80703-23-7,99827-46-0) → 7H-Dibenzofluorenone (86853-97-6)

Guidance literature:

1,1'-binaphthyl-2,2'-dicarboxylic acid; With acetic anhydride; at 140 ℃; for 1.5h;

at 300 ℃; for 3h;

Reference yield: 20.0%

(S)-2,2'-bis((trifluoromethanesulfonyl)oxy)-1,1'-binaphthyl (126613-06-7,128544-05-8,128575-34-8,141807-44-5) → 7H-Dibenzofluorenone (86853-97-6) + diphenyl [1,1'-binaphthalene]-2,2'-dicarboxylate

Guidance literature:

With 1,3-bis-(diphenylphosphino)propane; palladium diacetate; N-ethyl-N,N-diisopropylamine; In neat (no solvent); at 120 ℃; Inert atmosphere; Schlenk technique;

DOI:10.1055/a-1404-4966

Reference yield:

(S)-[1,1']-binaphthalenyl-2,2'-diol (18531-99-2) → 7H-Dibenzofluorenone (86853-97-6) + diphenyl [1,1'-binaphthalene]-2,2'-dicarboxylate

Guidance literature:

Multi-step reaction with 2 steps

1: pyridine / dichloromethane / 3 h / 0 - 20 °C / Inert atmosphere; Schlenk technique

2: 1,3-bis-(diphenylphosphino)propane; N-ethyl-N,N-diisopropylamine; palladium diacetate / neat (no solvent) / 120 °C / Inert atmosphere; Schlenk technique

With pyridine; 1,3-bis-(diphenylphosphino)propane; palladium diacetate; N-ethyl-N,N-diisopropylamine; In dichloromethane;

DOI:10.1055/a-1404-4966

upstream raw materials:

1,1'-binaphthyl-2,2'-dicarboxylic acid

(S)-[1,1']-binaphthalenyl-2,2'-diol

(S)-2,2'-bis((trifluoromethanesulfonyl)oxy)-1,1'-binaphthyl

Downstream raw materials:

7H-Dibenzofluorene

1,1-Bis-<4-dimethylamino-phenyl>-3-<3.4,5.6-dibenzo-fluorenyliden-(9)>-propadien

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