4,4'-Difluorobenzophenone

Base Information

• Chemical Name: 4,4'-Difluorobenzophenone
• CAS No.: 345-92-6
• Molecular Formula: C13H8F2O
• Molecular Weight: 218.203
• Hs Code.: 29143990
• European Community (EC) Number: 206-466-3
• NSC Number: 51800
• UNII: 88BNC11B9C
• DSSTox Substance ID: DTXSID30188062
• Nikkaji Number: J42.003D
• Wikipedia: 4,4%27-Difluorobenzophenone,4'-Difluorobenzophenone
• Wikidata: Q4637051
• Mol file: 345-92-6.mol

Synonyms:4,4'-difluorobenzophenone;M-3-DFBP

Chemical Property of 4,4'-Difluorobenzophenone

Chemical Property:

• Appearance/Colour: white to slightly yellow crystalline powder
• Vapor Pressure: 0.005Pa at 20℃
• Melting Point: 102-105 °C(lit.)
• Boiling Point: 308.8 °C at 760 mmHg
• Flash Point: 118.4 °C
• PSA: 17.07000
• Density: 1.239 g/cm³
• LogP: 3.19580
• Storage Temp.: Store below +30°C.
• Solubility.: Insoluble in water
• Water Solubility.: 8.757mg/L at 20℃
• XLogP3: 3.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 2
• Exact Mass: 218.05432120
• Heavy Atom Count: 16
• Complexity: 214

Purity/Quality:

99% ^*data from raw suppliers

4,4''-Difluorobenzophenone ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi,N,Xn
• Statements: 36/37/38-51/53-22
• Safety Statements: 26-37/39-36-61

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Other Classes -> Benzophenones
• Canonical SMILES: C1=CC(=CC=C1C(=O)C2=CC=C(C=C2)F)F
• Uses: 4,4′-Difluorobenzophenone has been used in the study of thermal stability, water uptake and proton conductivity of carboxylated, carboxylated/sulfonated, and crosslinked membranes.

Technology Process of 4,4'-Difluorobenzophenone

There total 97 articles about 4,4'-Difluorobenzophenone 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%

4,4'-difluorodiphenylmethane (457-68-1) → 4,4'-Difluorobenzophenone (345-92-6)

Guidance literature:

With pyridine; tert.-butylhydroperoxide; In decane; acetonitrile; at 80 ℃; for 24h;

DOI:10.1039/c7ra09005f

Reference yield: 99.0%

4,4'-(azidomethylene)bis(fluorobenzene) (1093981-40-8) → 4,4'-Difluorobenzophenone (345-92-6)

Guidance literature:

With tert.-butylhydroperoxide; vanadia; In water; at 100 ℃; for 6h;

DOI:10.1016/j.tet.2011.08.080

Reference yield: 98.0%

4,4'-difluorobenzhydryl alcohol (365-24-2) → 4,4'-Difluorobenzophenone (345-92-6)

Guidance literature:

With potassium carbonate; chlorobenzene; CyJohnPhos; bis(dibenzylideneacetone)-palladium⁽⁰⁾; In toluene; at 105 ℃; for 12h;

DOI:10.1021/ol0347287

upstream raw materials:

tetrachloromethane

fluorobenzene

phosgene

dichloro-bis-(4-fluoro-phenyl)-methane

Downstream raw materials:

1,1,2,2-tetrakis-(4-fluorophenyl)-ethane-1,2-diol

ethyl 3,3-bis(4-fluorophenyl)-3-hydroxypropanoate

1,1-bis(4-fluorophenyl)-2-(1-methyl-1H-tetrazol-5-yl)ethanol

dichloro-bis-(4-fluoro-phenyl)-methane

Refernces

• 1、 Park, Kwihwan,Jiang, Jing,Yamada, Tsuyoshi,Sajiki, Hironao. "Ruthenium-on-Carbon-Catalyzed Facile Solvent-Free Oxidation of Alcohols: Efficient Progress under Solid-Solid (Liquid)-Gas Conditions". . p. 1200 - 1205. Retrieved 2021/12/29.
• 2、 Carter, Joseph H.,Day, Sarah J.,Han, Xue,Kang, Xinchen,Kimberley, Louis,Li, Jiangnan,McInnes, Eric J. L.,Schr?der, Martin,Sheveleva, Alena M.,Smith, Gemma L.,Tang, Chiu C.,Tuna, Floriana,Yang, Sihai. "The Origin of Catalytic Benzylic C?H Oxidation over a Redox-Active Metal–Organic Framework". supporting information. p. 15243 - 15247. Retrieved 2021/06/08.