2,2'-DIMETHYLBIBENZYL

Base Information

• Chemical Name: 2,2'-DIMETHYLBIBENZYL
• CAS No.: 952-80-7
• Molecular Formula: C16H18
• Molecular Weight: 210.319
• Hs Code.: 2902909090
• Mol file: 952-80-7.mol

Synonyms:Bibenzyl,2,2'-dimethyl- (7CI,8CI);1,2-Bis(2-methylphenyl)ethane;1,2-Bis(o-methylphenyl)ethane;1,2-Di-o-tolylethane;1,2-Ditolylethane;2,2'-Dimethylbibenzyl;NSC 127020;

Chemical Property of 2,2'-DIMETHYLBIBENZYL

Chemical Property:

• Melting Point: 61.85°C
• Refractive Index: 1.5000 (estimate)
• Boiling Point: 302.2 °C at 760 mmHg
• Flash Point: 139.7 °C
• PSA: 0.00000
• Density: 0.975 g/cm³
• LogP: 4.08860

Purity/Quality:

99%min ^*data from raw suppliers

1-Methyl-2-[2-(2-methylphenyl)ethyl]benzene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,2'-DIMETHYLBIBENZYL

There total 86 articles about 2,2'-DIMETHYLBIBENZYL 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: 75.0%

4-methyl-benzaldehyde (104-87-0) + 1-chloromethyl-2-methylbenzene (552-45-4) → o-xylene (95-47-6) + 4-Methylbenzyl alcohol (589-18-4) + 1,2-bis(2-methylphenyl)ethane (952-80-7) + 1-(4-methylphenyl)-2-(2-methylphenyl)ethanol (113312-69-9)

Guidance literature:

With lithium; In diethyl ether; at 0 ℃; for 0.75h; Further byproducts given. Yields of byproduct given;

Reference yield: 72.0%

tri-sec-butylindium (101749-61-5) → indium (7440-74-6) + 1,2-bis(2-methylphenyl)ethane (952-80-7)

Guidance literature:

In o-xylene=o-xylol; pyrolysis in o-xylene under dry and deoxygenated N2 (stirring; 140°C, 9 h); GLC anal. of org. products;

Reference yield: 70.0%

2-methylbenzyl bromide (89-92-9) → o-xylene (95-47-6) + benzocyclobutene (694-87-1) + 1,2-bis(2-methylphenyl)ethane (952-80-7) + (E)-2,2'-dimethylstilbene (36888-18-3)

Guidance literature:

With magnesium; at 600 ℃; under 0.15 Torr;

DOI:10.1039/b108663d

upstream raw materials:

o-xylene

phenyl radical

(E)-2,2'-dimethylstilbene

2-methylbenzyl bromide

Downstream raw materials:

o-methylphenylacetic acid

ortho-methylbenzoic acid

Refernces

• 1、 Futakuchi, Sayaka,Miyazawa, Keishi,Nakai, Hidetaka,Ogo, Seiji,Shimauchi, Daiki,Takahashi, Yukina,Yatabe, Takeshi,Yoon, Ki-Seok. "Reductive C(sp3)-C(sp3) homo-coupling of benzyl or allyl halides with H2using a water-soluble electron storage catalyst". . p. 39450 - 39454. Retrieved 2021/12/27.
• 2、 Abu-Omar, Mahdi M.,Nabavizadeh, S. Masoud,Niroomand Hosseini, Fatemeh,Park, Chan,Wu, Guang. "Discovery and mechanistic investigation of Pt-catalyzed oxidative homocoupling of benzene with PhI(OAc)2". supporting information. p. 2477 - 2486. Retrieved 2020/03/05.