2,7-DI-TERT-BUTYLNAPHTHALENE

Base Information

• Chemical Name: 2,7-DI-TERT-BUTYLNAPHTHALENE
• CAS No.: 10275-58-8
• Molecular Formula: C18H24
• Molecular Weight: 240.389
• Hs Code.: 2902909090
• Mol file: 10275-58-8.mol

Synonyms:Naphthalene,2,7-di-tert-butyl- (6CI,7CI,8CI); 2,7-Di-tert-butylnaphthalene

Chemical Property of 2,7-DI-TERT-BUTYLNAPHTHALENE

Chemical Property:

• Vapor Pressure: 0.000238mmHg at 25°C
• Melting Point: 104°C
• Refractive Index: 1.542
• Boiling Point: 335.1°C at 760 mmHg
• Flash Point: 165.2°C
• PSA: 0.00000
• Density: 0.935g/cm³
• LogP: 5.43480

Purity/Quality:

98% ^*data from raw suppliers

2,7-Di-tert-butylnaphthalene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,7-DI-TERT-BUTYLNAPHTHALENE

There total 20 articles about 2,7-DI-TERT-BUTYLNAPHTHALENE 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: 36.0%

naphthalene (91-20-3,71998-51-1,72931-45-4) + tertiary butyl chloride (507-20-0) → 2,7-di-tert-butylnaphthalene (10275-58-8) + 2,6-di-tert-butylnaphthalene (3905-64-4)

Guidance literature:

With aluminium trichloride; a) heating, 3 h, b) r.t., 8 h;

Reference yield:

naphthalene (91-20-3,71998-51-1,72931-45-4) + tert-butyl alcohol (75-65-0) → 2,7-di-tert-butylnaphthalene (10275-58-8) + 2,6-di-tert-butylnaphthalene (3905-64-4)

Guidance literature:

With ammonium tungstate; zirconium nitrate pentahydrate; In water; 1,3,5-trimethyl-benzene; at 180 ℃; for 6h; under 0 Torr; Reagent/catalyst; Temperature; Pressure; Solvent; Molecular sieve;

Reference yield:

naphthalene (91-20-3,71998-51-1,72931-45-4) + tert-butyl methyl ether (1634-04-4) → 2-tert-butylnaphthalene (2876-35-9) + 2,7-di-tert-butylnaphthalene (10275-58-8) + 2,6-di-tert-butylnaphthalene (3905-64-4)

Guidance literature:

With HM zeolite; In cyclohexane; at 180 ℃; for 18h; Title compound not separated from byproducts.;

DOI:10.1039/b212775j

upstream raw materials:

naphthalene

tertiary butyl chloride

tert-butyl alcohol

aluminium trichloride

Downstream raw materials:

2,7-di-tertbutyl-1,4-naphthoquinone

2,7-Di-tert-butyl-1,2,3,4-tetrahydronaphthalin

3,6-bis(1,1-dimethylethyl)-1-naphthalenesulfonic acid, ethyl ester

2,7-Di-tert.-butyl-naphthalinsulfonsaeure-⁽⁴⁾-phenylester

Refernces

• 1、 Gump. "-". . p. 380. Retrieved 1931.
• 2、 Smith, Keith,Roberts, Simon D.,El-Hiti, Gamal A.. "Study of regioselective dialkylation of napthalene in the presence of reusable zeolite catalysts". . p. 1552 - 1559. Retrieved 2003.
• 3、 Quast, Helmut,Nuedling, Wolfgang,Klemm, Gerhard,Kirschfeld, Andreas,Neuhaus, Patrik,Sander, Wolfram,Hrovat, David A.,Borden, Weston Thatcher. "A perimidine-derived non-kekule triplet diradical". . p. 4956 - 4961. Retrieved 2008.
• 4、 Liu, Zhongmin,Moreau, Patrice,Fajula, Francois. "Selective alkylation of naphthalene with tert-butyl alcohol over large pore zeolites". . p. 2653 - 2654. Retrieved 1996.
• 5、 Avenoso, Joseph,Doble, Samantha,Fan, Hao,Galoppini, Elena,Gundlach, Lars,Harmer, Ryan,Lloyd, Katherine,Rego, Luis G. C.,Yan, Han. "Synthesis and Properties of Perylene-Bridge-Anchor Chromophoric Compounds". . p. 6330 - 6343. Retrieved 2020.
• 6、 -. "Method for high-selectivity preparation of 2, 6-di-tert-butylnaphthalene through naphthalene alkylation". Paragraph 0059; 0060; 0061. . Retrieved 2021/08/11.