Thiophenetetracarboxylic acid, tetramethyl ester

Base Information

• Chemical Name: Thiophenetetracarboxylic acid, tetramethyl ester
• CAS No.: 6579-15-3
• Molecular Formula: C12H12O8S
• Molecular Weight: 316.288

Synonyms:2,3,4,5-tetrakis(carbomethoxy)thiophene;Thiophentetracarbonsaeure-tetramethylester;2,3,4,5-tetramethoxycarbonylthiophene;tetramethyl thiophenetetracarboxylate;2,3,4,5-tetrakis(methoxycarbonyl)thiophene;tetrakis(methoxycarbonyl)thiophene;

Chemical Property of Thiophenetetracarboxylic acid, tetramethyl ester

Chemical Property:

• PSA: 133.44000
• LogP: 0.89450

Purity/Quality:

95% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
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MSDS Files:

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Technology Process of Thiophenetetracarboxylic acid, tetramethyl ester

There total 8 articles about Thiophenetetracarboxylic acid, tetramethyl ester 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: 44.0%

1,3-bis(1,3,4-oxathiazol-2-on-5-yl)-adamantane (162471-14-9) → adamantane-1,3-dicarbonitrile (62472-38-2) + tetramethyl 2,3,4,5-thiophenetetracarboxylate (6579-15-3) + 1-cyano-3-(4,5-bis(methoxycarbonyl)-isothiazol-3-yl)-adamantane + 1,3-bis(3,4-methoxycarbonylisothiazol-3-yl)-adamantne

Guidance literature:

With dimethyl acetylenedicarboxylate; In chlorobenzene; for 12h; Heating;

Reference yield: 44.0%

dimethyl acetylenedicarboxylate (762-42-5) + 1,3-bis(1,3,4-oxathiazol-2-on-5-yl)-adamantane (162471-14-9) → adamantane-1,3-dicarbonitrile (62472-38-2) + tetramethyl 2,3,4,5-thiophenetetracarboxylate (6579-15-3) + 1-cyano-3-(4,5-bis(methoxycarbonyl)-isothiazol-3-yl)-adamantane + 1,3-bis(3,4-methoxycarbonylisothiazol-3-yl)-adamantne

Guidance literature:

In chlorobenzene; for 12h; Heating;

Reference yield: 41.0%

(η5-cyclopentadienyl)(1,2-dimethoxycarbonyl-1,2-ethenedithiolato)rhodium(III) (105084-58-0) + phenylacetylene (536-74-3) → [1,1';2'1'']terphenyl-4',5'-dicarboxylic acid dimethyl ester (7111-79-7) + tetramethyl 2,3,4,5-thiophenetetracarboxylate (6579-15-3) + 5-phenyl-2,3-thiophenedicarboxylic acid 2,3-dimethyl ester

Guidance literature:

In neat (no solvent); at 150 ℃; for 6h;

DOI:10.1021/acs.organomet.8b00498

upstream raw materials:

dimethyl acetylenedicarboxylate

3-oxo-3-phenyl-dithiopropionic acid

4-(2,4,5-Trimethylphenyl)-1,3,2-oxathiazolylium-5-olat

1,3-bis(1,3,4-oxathiazol-2-on-5-yl)-adamantane

Downstream raw materials:

thiophene-2,3,4,5-tetracarboxylic acid

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