tetraethyl benzene-1,2,4,5-tetracarboxylate

Base Information

• Chemical Name: tetraethyl benzene-1,2,4,5-tetracarboxylate
• CAS No.: 6634-01-1
• Molecular Formula: C18H22 O8
• Molecular Weight: 366.368
• Mol file: 6634-01-1.mol

Synonyms:1,2,4,5-Benzenetetracarboxylicacid, tetraethyl ester (7CI,9CI); Pyromellitic acid, tetraethyl ester (6CI);1,2,4,5-Tetrakis(ethoxycarbonyl)benzene; NSC 51726; Tetraethyl1,2,4,5-benzenetetracarboxylate; Tetraethyl pyromellitate

Chemical Property of tetraethyl benzene-1,2,4,5-tetracarboxylate

Chemical Property:

• Vapor Pressure: 1.77E-07mmHg at 25°C
• Boiling Point: 426.5°Cat760mmHg
• Flash Point: 183.9°C
• Density: 1.193g/cm³

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of tetraethyl benzene-1,2,4,5-tetracarboxylate

There total 10 articles about tetraethyl benzene-1,2,4,5-tetracarboxylate 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: 100.0%

Pyromellitic dianhydride (89-32-7,34527-94-1) + orthoformic acid triethyl ester (122-51-0) → 1,2,4,5-benzenetetracarboxylic acid ethyl ester (6634-01-1)

Guidance literature:

Pyromellitic dianhydride; orthoformic acid triethyl ester;

With water;

DOI:10.1142/S1088424612501301

Reference yield: 96.0%

ethanol (64-17-5) + Pyromellitic dianhydride (89-32-7,34527-94-1) → 1,2,4,5-benzenetetracarboxylic acid ethyl ester (6634-01-1)

Guidance literature:

With sulfuric acid; Reflux; Molecular sieve;

DOI:10.1055/S-0029-1218602

Reference yield: 90.0%

acetylenedicarboxylic acid diethyl ester (762-21-0) + ethyl acrylate (140-88-5,9003-32-1) → 1,2,4,5-benzenetetracarboxylic acid ethyl ester (6634-01-1)

Guidance literature:

With oxygen; potassium carbonate; palladium dichloride; In acetic acid; acetonitrile; at 20 - 75 ℃; under 760.051 Torr; chemoselective reaction;

DOI:10.1021/jo101554r

upstream raw materials:

ethanol

Pyromellitic dianhydride

1,2,4,5-benzenetetracarboxylic acid

diethylamine

Downstream raw materials:

2,4,5-tris(ethoxycarbonyl)benzoic acid

tetrabenzyl benzene-1,2,4,5-tetracarboxylate

4,5-bis(ethoxycarbonyl)phthalonitrile

cyclohexane-1e,2a,4a,5e-tetracarboxylic acid

Refernces

• 1、 Zhang, Pengfei,Xing, Xing,Wang, Yueyi,Murtaza, Imran,He, Yaowu,Cameron, Joseph,Ahmed, Shuja,Skabara, Peter J.,Meng, Hong. "Multi-colour electrochromic materials based on polyaromatic esters with low driving voltage". . p. 9467 - 9473. Retrieved 2019/08/20.
• 2、 -. "Synthesis method for 1,2,4,5-cyclohexanetetracarboxylic dianhydride". Paragraph 0076; 0077; 0078. . Retrieved 2018/06/04.