Ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate

Base Information

Chemical Name:Ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate
CAS No.:175202-57-0
Molecular Formula:C₁₂H₁₁NO₂S₂
Molecular Weight:265.357
Hs Code.:2934999090
DSSTox Substance ID:DTXSID50381119
Nikkaji Number:J1.907.330K
Wikidata:Q82171751
Mol file:175202-57-0.mol

Synonyms:175202-57-0;ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate;ethyl 2-cyano-3,4-dimethylthieno[2,3-b]thiophene-5-carboxylate;Thieno[2,3-b]thiophene-2-carboxylic acid, 5-cyano-3,4-dimethyl-, ethyl ester;Maybridge1_004478;HMS554D12;DTXSID50381119;AVADGSSQORDQMY-UHFFFAOYSA-N;MFCD00085065;AKOS015911636;MS-22058;FT-0626123;W-206176;ethyl5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate;5-Cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylic acid ethyl ester

Suppliers and Price of Ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

American Custom Chemicals Corporation
ETHYL 5-CYANO-3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE-2-CARBOXYLATE 95.00%
1G
$ 681.57

Total 9 raw suppliers

Chemical Property of Ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate

Chemical Property:

Vapor Pressure:2.51E-07mmHg at 25°C
Melting Point:155 °C
Boiling Point:421.9°Cat760mmHg
Flash Point:209°C
PSA：106.57000
Density:1.33g/cm³
LogP:3.62798
XLogP3:4.3
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:3
Exact Mass:265.02312094
Heavy Atom Count:17
Complexity:365

Purity/Quality:

98%min ^*data from raw suppliers

ETHYL 5-CYANO-3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE-2-CARBOXYLATE 95.00% ^*data from reagent suppliers

Safty Information:

Pictogram(s): R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.;
Hazard Codes: Xn:Harmful;
Statements: R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.;
Safety Statements: S36/37:Wear suitable protective clothing and gloves.;

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CCOC(=O)C1=C(C2=C(S1)SC(=C2C)C#N)C

Technology Process of Ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate

There total 1 articles about Ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate 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: 69.0%

: 74597-79-8
ethyl 4-acetyl-3-methyl-5-methylsulfanylthiophene-2-carboxylate

: 107-14-2
chloroacetonitrile

: 175202-57-0
ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate

Guidance literature:: ethyl 4-acetyl-3-methyl-5-methylsulfanylthiophene-2-carboxylate; With sodium sulfide; In N,N-dimethyl-formamide; at 50 ℃; for 1h;

chloroacetonitrile; With potassium carbonate; In N,N-dimethyl-formamide; at 50 ℃; for 6h;
DOI:10.1055/s-2003-38080