1,4-di(pentan-3-yl)benzene

Base Information

• Chemical Name: 1,4-di(pentan-3-yl)benzene
• CAS No.: 31173-90-7
• Molecular Formula: C16H26
• Molecular Weight: 218.382
• Mol file: 31173-90-7.mol

Synonyms:Benzene,p-bis(1-ethylpropyl)- (6CI,7CI,8CI); 1,4-Bis(3-pentyl)benzene; 1,4-Bis(a-ethylpropyl)benzene

Chemical Property of 1,4-di(pentan-3-yl)benzene

Chemical Property:

• Vapor Pressure: 0.00534mmHg at 25°C
• Boiling Point: 283.7°C at 760 mmHg
• Flash Point: 124°C
• PSA: 0.00000
• Density: 0.854g/cm³
• LogP: 5.49380

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,4-di(pentan-3-yl)benzene

There total 9 articles about 1,4-di(pentan-3-yl)benzene 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%

ethene (74-85-1) + para-xylene (106-42-3) → p-bis-(α-ethylpropyl)benzene (31173-90-7)

Guidance literature:

para-xylene; With n-butyllithium; LiK(OCH₂CH₂NMe₂)2; magnesium(2-ethoxyethylate)2; In various solvent(s); at 20 ℃; for 0.5h;

ethene; In various solvent(s); at 80 ℃; for 24h; under 7600.51 Torr; Further stages.;

DOI:10.1021/ja994432p

Reference yield: 71.0%

3-bromopentane (1809-10-5) + 1,4-phenylene bis(trifluoromethanesulfonate) (17763-88-1) → p-bis-(α-ethylpropyl)benzene (31173-90-7) + 1,4-dipentylbenzene (6796-33-4)

Guidance literature:

With tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; 2-(dibutylphosphanyl)-1-phenylpyrrole; magnesium; lithium chloride; zinc(II) chloride; In tetrahydrofuran; at 60 ℃; for 16h; Inert atmosphere; Glovebox; Sealed tube;

DOI:10.1002/anie.201608535

Reference yield: 45.0%

3,3'-(1,4-phenylene)bis(pentan-3-ol) (286433-43-0) → p-bis-(α-ethylpropyl)benzene (31173-90-7)

Guidance literature:

3,3'-(1,4-phenylene)bis(pentan-3-ol); With sulfuric acid; In ethanol;

With hydrogen; palladium on activated charcoal; In ethyl acetate; for 38h; under 2068.65 Torr; Further stages.;

DOI:10.1021/ja000553+

upstream raw materials:

1,3-bis(1-ethylpropyl)benzene

ethene

para-xylene

3,3'-(1,4-phenylene)bis(pentan-3-ol)

Downstream raw materials:

2-phenylpentane

(1-ethylpropyl)benzene

1,4-bis-(1-ethyl-propyl)-2,5-diethynyl-benzene

1,4-bis-(1-ethyl-propyl)-2,5-bis-trimethylsilanylethynyl-benzene

Refernces

• 1、 Ichinose, Masami,Suematsu, Hidehiro,Yasutomi, Yoichi,Nishioka, Yota,Uchida, Tatsuya,Katsuki, Tsutomu. "Enantioselective intramolecular benzylic C-H bond amination: Efficient synthesis of optically active benzosultams". . p. 9884 - 9887. Retrieved 2011/12/02.
• 2、 McQuade, D. Tyler,Kim, Jinsang,Swager, Timothy M.. "Two-dimensional conjugated polymer assemblies: Interchain spacing for control of photophysics [5]". . p. 5885 - 5886. Retrieved 2007/10/03.