2,5-DIMETHYLBIPHENYL

Base Information

• Chemical Name: 2,5-DIMETHYLBIPHENYL
• CAS No.: 7372-85-2
• Molecular Formula: C14H14
• Molecular Weight: 182.265
• Mol file: 7372-85-2.mol

Synonyms:2,4-dimethylbiphenyl;1,1‘-Biphenyl, 2,5-dimethyl-;2,5-dimethyl-1,1'-biphenyl;2,5-dimethyldiphenyl;1,1'-Biphenyl,2,5-dimethyl;2,5-DIMETHYLBIPHENYL;intermediate of 1;

Chemical Property of 2,5-DIMETHYLBIPHENYL

Chemical Property:

• Vapor Pressure: 0.0129mmHg at 25°C
• Melting Point: 24.17°C (estimate)
• Refractive Index: 1.5819
• Boiling Point: 268.1oC at 760 mmHg
• Flash Point: 113.4oC
• PSA: 0.00000
• Density: 0.973g/cm3
• LogP: 3.97040

Purity/Quality:

99%min ^*data from raw suppliers

2,5-Dimethylbiphenyl ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 2,5-Dimethyl-1,1''-biphenyl is a useful reagent for organic synthesis. It is used in the preparation of orthopalladated phosphorus ylide complexes and palladium nanoparticles as catalyst for Suzuki coupling reactions.

Technology Process of 2,5-DIMETHYLBIPHENYL

There total 6 articles about 2,5-DIMETHYLBIPHENYL 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: 78.0%

para-xylene (106-42-3) + Diphenyliodonium triflate (66003-76-7) → biphenyl (92-52-4,1594-86-1) + 2,5-dimethylbiphenyl (7372-85-2)

Guidance literature:

With oxygen; palladium diacetate; trifluoroacetic acid; at 100 ℃; for 24h; Reagent/catalyst; Temperature; Time; Concentration;

DOI:10.1021/ol400412z

Reference yield:

para-xylene (106-42-3) + benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1) → 3,4-dimethylbiphenyl (4433-11-8) + 2,5-dimethylbiphenyl (7372-85-2) + 3,5-dimethylbiphenyl (17057-88-4) + 2,4-dimethyl-1,1'-biphenyl (4433-10-7) + 2,3-dimethyl-1,1'-biphenyl (3864-18-4) + 2,6-dimethyl-1,1′-biphenyl (3976-34-9)

Guidance literature:

at 100 ℃; Product distribution; study of spontaneous decay of tritiated precursors;

Reference yield:

4’-chloro-2,5-dimethyl-1,1’-biphenyl (71149-93-4) → cyclohexylcyclohexane (92-51-3) + 2,5-dimethylbiphenyl (7372-85-2) + 3-chloro-2',5’-dimethylbiphenyl (86949-86-2) + 2'-Chloro-2,5-dimethyl-biphenyl (69769-82-0)

Guidance literature:

In cyclohexane; Product distribution; Quantum yield; Irradiation;

upstream raw materials:

4’-chloro-2,5-dimethyl-1,1’-biphenyl

3-chloro-2',5’-dimethylbiphenyl

2'-Chloro-2,5-dimethyl-biphenyl

para-xylene

Downstream raw materials:

2,5-biphenyldicarboxylic acid

5-methyl-[1,1'-biphenyl]-2-carboxylic acid

2-methyl-5-biphenylcarboxylic acid

2-Amino-7-nitro-fluoren

Refernces

• 1、 -. "Ligands for metals and improved metal-catalyzed processes based thereon". . . Retrieved 2008/06/13.
• 2、 Angelini, Giancarlo,Keheyan, Yeghis,Speranza, Maurizio. "Aromatic hydrocarbons in the gaseous and condensed phase. A nuclear decay study". . p. 367 - 370. Retrieved 2007/10/02.