3,4'-Dimethylbiphenyl

Base Information

• Chemical Name: 3,4'-Dimethylbiphenyl
• CAS No.: 7383-90-6
• Molecular Formula: C14H14
• Molecular Weight: 182.265
• Hs Code.: 2902909090
• European Community (EC) Number: 230-958-7
• UNII: CAH6DWW0R5
• DSSTox Substance ID: DTXSID50224335
• Nikkaji Number: J8.927C
• Wikidata: Q83102909
• Mol file: 7383-90-6.mol

Synonyms:3,4'-Dimethylbiphenyl;7383-90-6;1-methyl-3-(4-methylphenyl)benzene;3,4'-DIMETHYL-1,1'-BIPHENYL;m,p'-Bitolyl;1,1'-Biphenyl, 3,4'-dimethyl-;CAH6DWW0R5;EINECS 230-958-7;1,1'-Biphenyl,3,4'-dimethyl-;3,4'-Ditolyl;4,3'-Ditolyl;UNII-CAH6DWW0R5;Biphenyl, 3,4'-dimethyl-;1-methyl-3-(p-tolyl)-benzene;DTXSID50224335;MFCD00602700;AKOS000509501;AS-41073;CS-0315623

Chemical Property of 3,4'-Dimethylbiphenyl

Chemical Property:

• Melting Point: 15°C
• Refractive Index: 1.5946
• Boiling Point: 284.2 °C at 760 mmHg
• Flash Point: 125.8 °C
• PSA: 0.00000
• Density: 0.973 g/cm³
• LogP: 3.97040
• XLogP3: 5
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 1
• Exact Mass: 182.109550447
• Heavy Atom Count: 14
• Complexity: 165

Purity/Quality:

99% ^*data from raw suppliers

3,4''-Dimethylbiphenyl ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC=C(C=C1)C2=CC=CC(=C2)C

Technology Process of 3,4'-Dimethylbiphenyl

There total 85 articles about 3,4'-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: 82.0%

p-tolyllithium (2417-95-0) + tri-p-tolylselenonium trifluoromethanesulfonate → (4,4'-dimethyl-1,1'-biphenyl) (613-33-2) + 3,4'-dimethylbiphenyl (7383-90-6) + di(p-methylphenyl) selenide (22077-55-0)

Guidance literature:

In tetrahydrofuran; at 20 ℃; for 3h;

DOI:10.1016/S0040-4020(99)01090-X

Reference yield: 67.0%

m-tolyllithium (10325-82-3) → 3,3'-dimethyl-biphenyl (612-75-9) + 3,4'-dimethylbiphenyl (7383-90-6) + di-m-tolyl sulfide (3111-77-1) + 2,3'-dimethyl-1,1'-biphenyl (611-43-8)

Guidance literature:

With dimethylsulfite; In diethyl ether; for 2h; Heating;

Reference yield: 64.0%

p-tolyllithium (2417-95-0) → (4,4'-dimethyl-1,1'-biphenyl) (613-33-2) + 3,4'-dimethylbiphenyl (7383-90-6) + (3?methylphenyl)(4?methylphenyl) sulfide (107770-92-3)

Guidance literature:

With di(p-tolyl) sulfoxide; In diethyl ether; for 2h; Heating;

upstream raw materials:

2-p-tolylhept-2-en-6-one

meta-bromotoluene

para-bromotoluene

bis(4-methylphenyl)iodonium hexafluorophosphate

Downstream raw materials:

4'-methylbiphenyl-3-carboxylic acid

3'‐methyl‐(1,1'‐biphenyl)‐4‐carboxylic acid

biphenyl-3,4′-dicarboxylic acid

Refernces

• 1、 Sabarudin, Akhmad,Shu, Shin,Umemura, Tomonari,Yamamoto, Kazuhiro. "Preparation of metal-immobilized methacrylate-based monolithic columns for flow-through cross-coupling reactions". . . Retrieved 2021/12/17.
• 2、 Zhang, Dejiang,Le, Liyuan,Qiu, Renhua,Wong, Wai-Yeung,Kambe, Nobuaki. "Nickel- and Palladium-Catalyzed Cross-Coupling Reactions of Organostibines with Organoboronic Acids". supporting information. p. 3104 - 3114. Retrieved 2020/12/11.