3,3'-Di-tert-butyl-1,1'-biphenyl

Base Information

• Chemical Name: 3,3'-Di-tert-butyl-1,1'-biphenyl
• CAS No.: 53692-24-3
• Molecular Formula: C20H26
• Molecular Weight: 266.426
• Hs Code.: 2902909090
• Mol file: 53692-24-3.mol

Synonyms:3,3'-di-t-butylbiphenyl;3,3'-bis(t-butyl)biphenyl;3,3'-Di-tert-butylbiphenyl;

Chemical Property of 3,3'-Di-tert-butyl-1,1'-biphenyl

Chemical Property:

• Boiling Point: 366.1oC at 760 mmHg
• Flash Point: 189.2oC
• PSA: 0.00000
• Density: 0.924g/cm3
• LogP: 5.94860

Purity/Quality:

99%min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3,3'-Di-tert-butyl-1,1'-biphenyl

There total 4 articles about 3,3'-Di-tert-butyl-1,1'-biphenyl 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:

tert-butylbenzene (253185-03-4,253185-04-5) → 4,4'-di-tert-butylbiphenyl (1625-91-8) + 4,3′-di-tert-butylbiphenyl (53692-25-4) + 3,3′-di-tert-butylbiphenyl (53692-24-3)

Guidance literature:

With oxygen; acetic acid; at 150 ℃; for 66h; under 12001.2 Torr; Overall yield = 62 %; Autoclave;

Reference yield:

biphenyl (92-52-4,1594-86-1) + isobutene (115-11-7,15220-85-6) → 4,4'-di-tert-butylbiphenyl (1625-91-8) + 4,3′-di-tert-butylbiphenyl (53692-25-4) + 3,3′-di-tert-butylbiphenyl (53692-24-3)

Guidance literature:

With SSZ-55 zeolite; at 300 ℃; for 4h; under 3750.38 Torr; chemoselective reaction; Autoclave; Inert atmosphere;

DOI:10.1246/bcsj.80.2232

Reference yield:

4,3′-di-tert-butylbiphenyl (53692-25-4) → 4,4'-di-tert-butylbiphenyl (1625-91-8) + 3,3′-di-tert-butylbiphenyl (53692-24-3)

Guidance literature:

With aluminium trichloride; tert-butylbenzene; benzene; at 34.9 ℃; Equilibrium constant; var. temp.;

DOI:10.1016/0021-9614(87)90137-6

upstream raw materials:

biphenyl

tertiary butyl chloride

4,3′-di-tert-butylbiphenyl

isobutene

Refernces

• 1、 Sugi, Yoshihiro,Maekawa, Hiroyoshi,Ito, Akira,Ozawa, Chikako,Shibata, Tomoko,Niimi, Amhiro,Asaoka, Chihara,Komura, Kenichi,Kubota, Yoshihiro,Lee, Jae-Youl,Kim, Jong-Ho,Seo, Gon. "The alkylation of biphenyl over one-dimensional twelve-membered ring zeolites. the influence of zeolite structure and alkylating agent on the selectivity for 4,4'-dialkylbiphenyl". supporting information; body text. p. 2232 - 2242. Retrieved 2009/08/08.
• 2、 Haefelinger, Guenter,Beyer, Michael. "tert-Butylation of Biphenyl; Determination of the Structure of Reaction Products by Means of Independent Syntheses". . p. 2012 - 2020. Retrieved 2007/10/02.