2,4-Difluorobiphenyl

Base Information

• Chemical Name: 2,4-Difluorobiphenyl
• CAS No.: 37847-52-2
• Molecular Formula: C12H8F2
• Molecular Weight: 190.192
• Hs Code.: 2903999090
• European Community (EC) Number: 253-690-2
• DSSTox Substance ID: DTXSID70191277
• Nikkaji Number: J89.183E
• Wikidata: Q72462697
• ChEMBL ID: CHEMBL121977
• Mol file: 37847-52-2.mol

Synonyms:2,4-Difluorobiphenyl;37847-52-2;2,4-Difluoro-1,1'-biphenyl;2,4-difluoro-1-phenylbenzene;2,4-Difluoro-1,1-biphenyl;EINECS 253-690-2;1,1'-Biphenyl, 2,4-difluoro-;2,4-Difluoro-biphenyl;2',4'-difluorobiphenyl;2,4-Difluorophenylbenzene;SCHEMBL412228;CHEMBL121977;JVHAJKHGPDDEEU-UHFFFAOYSA-;DTXSID70191277;MFCD00042515;AKOS006230003;2,4-Difluoro-1,1'-biphenyl, 97%;CS-W015898;AC-10689;AS-13070;D3450;FT-0610097;D90192;W-106508

Chemical Property of 2,4-Difluorobiphenyl

Chemical Property:

• Appearance/Colour: White crystal
• Vapor Pressure: 17.5mmHg at 25°C
• Melting Point: 63 °C
• Refractive Index: 1.377
• Boiling Point: 243.7 °C at 760 mmHg
• Flash Point: 83 °C
• PSA: 0.00000
• Density: 1.165 g/cm³
• LogP: 3.63180
• Storage Temp.: 2-8°C
• Solubility.: Acetonitrile (Slightly), Chloroform (Slightly)
• XLogP3: 4.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 190.05940658
• Heavy Atom Count: 14
• Complexity: 175

Purity/Quality:

98% ^*data from raw suppliers

2,4-Difluorobiphenyl ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi,N,Xn
• Statements: 36/37/38-50/53-41-37/38-22
• Safety Statements: 20/21-24/25-61-60-39-26

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C2=C(C=C(C=C2)F)F
• Uses: 2,4-Difluorobiphenyl is used in preparation of blue light-excitable orange red cationic iridium(III) complex for LED.

Technology Process of 2,4-Difluorobiphenyl

There total 24 articles about 2,4-Difluorobiphenyl 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: 98.0%

2,4-difluorobromobenzene (348-57-2) + phenylboronic acid (98-80-6) → 2,4-difluorobiphenyl (37847-52-2)

Guidance literature:

With sodium carbonate; In ethanol; water; at 20 ℃; for 0.16h; Green chemistry;

DOI:10.1002/aoc.4846

Reference yield: 97.5%

2,4-difluorophenylhydrazine (40594-30-7) + benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1) → 2,4-difluorobiphenyl (37847-52-2)

Guidance literature:

With dihydrogen peroxide; tungsten; In water; at 40 ℃; for 0.5h;

benzene; trimethyloctylammonium hydrogen sulfate salt; In water; at 30 ℃;

2,4-difluorophenylhydrazine; benzene; With dihydrogen peroxide; more than 3 stages;

Reference yield: 93.0%

toluene-4-sulfonic acid phenyl ester (640-60-8) + 2,4-difluorophenylboronic acid (144025-03-6) → 2,4-difluorobiphenyl (37847-52-2)

Guidance literature:

With potassium phosphate; bis(tricyclohexylphosphine)nickel(II) bromide; In tetrahydrofuran; water; at 20 ℃; Reagent/catalyst; Glovebox;

DOI:10.1002/adsc.201600205

upstream raw materials:

(2,4-Difluoro-phenyl)-piperidin-1-yl-diazene

benzene

1,3-Difluorobenzene

dibenzoyl peroxide

Downstream raw materials:

4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

4-(2',4'-difluorobiphenyl-4-yl)-2-methylene-4-oxobutanoic acid

1-(2',4'difluoro[1,1']biphenyl-4-yl)ethanone

4-(2,4-difluorophenyl)phenyl acetate

Refernces

• 1、 Vishal,Fahlman, Bradley D.,Sasidhar,Patil, Shivaputra A.,Patil, Siddappa A.. "Magnetic Nanoparticle-Supported N-Heterocyclic Carbene-Palladium(II): A Convenient, Efficient and Recyclable Catalyst for Suzuki–Miyaura Cross-Coupling Reactions". . p. 900 - 918. Retrieved 2017.
• 2、 Li, Jia,Li, Xujun,Liu, Xiang,Maestri, Giovanni,Malacria, Max,Wang, Xiaoshuang,Wang, Yanlan,Wu, Lingang. "Photoelectric properties of aromatic triangular tri-palladium complexes and their catalytic applications in the Suzuki-Miyaura coupling reaction". supporting information. p. 11834 - 11842. Retrieved 2021/09/06.
• 3、 Bunda, Szilvia,Joó, Ferenc,Kathó, ágnes,Udvardy, Antal,Voronova, Krisztina. "Palladium (II)–Salan Complexes as Catalysts for Suzuki–Miyaura C–C Cross-Coupling in Water and Air. Effect of the Various Bridging Units within the Diamine Moieties on the Catalytic Performance". supporting information. . Retrieved 2020/09/18.