3,4-Dimethylthieno[2,3-b]thiophene

Base Information

Chemical Name:3,4-Dimethylthieno[2,3-b]thiophene
CAS No.:175202-58-1
Molecular Formula:C8H8 S2
Molecular Weight:168.28
Hs Code.:2934999090
DSSTox Substance ID:DTXSID40384851
Nikkaji Number:J1.648.824K
Wikidata:Q82177240
Mol file:175202-58-1.mol

Synonyms:3,4-dimethylthieno(2,3-b)thiophene

Suppliers and Price of 3,4-Dimethylthieno[2,3-b]thiophene

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
3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE 95.00%
5MG
$ 495.59

Total 7 raw suppliers

Chemical Property of 3,4-Dimethylthieno[2,3-b]thiophene

Chemical Property:

Vapor Pressure:0.0101mmHg at 25°C
Melting Point:72-74°C
Boiling Point:272.6°Cat760mmHg
Flash Point:86.4°C
PSA：56.48000
Density:1.245g/cm³
LogP:3.57960
XLogP3:3.7
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:0
Exact Mass:168.00674260
Heavy Atom Count:10
Complexity:121

Purity/Quality:

99% ^*data from raw suppliers

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

Safty Information:

Pictogram(s):
Hazard Codes:
Statements: 36/37/38
Safety Statements: 26-36/37/39

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CC1=CSC2=C1C(=CS2)C

Technology Process of 3,4-Dimethylthieno[2,3-b]thiophene

There total 7 articles about 3,4-Dimethylthieno[2,3-b]thiophene 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: 99.2%

: 250-84-0
thieno[2,3-b]thiophene

: 75-52-5
nitromethane

: 175202-58-1
3,4-dimethyl thieno[2,3-b]thiophene

Guidance literature:: With 5% rhodium-on-charcoal; potassium tert-butylate; at 150 ℃; for 25h; under 6080.41 Torr; Temperature; Pressure; Reagent/catalyst; Concentration; Inert atmosphere;

Reference yield: 99.0%

: 75-15-0,12122-00-8
carbon disulfide

: 75-07-0,9002-91-9
acetaldehyde

: 108-59-8
malonic acid dimethyl ester

: 175202-58-1
3,4-dimethyl thieno[2,3-b]thiophene

Guidance literature:: carbon disulfide; malonic acid dimethyl ester; In N,N-dimethyl-formamide; Reflux;

acetaldehyde; With potassium fluoride; palladium 10% on activated carbon; In N,N-dimethyl-formamide; at 180 ℃; for 12h; under 5320.36 Torr; Inert atmosphere;

Reference yield: 98.0%

: 75-15-0,12122-00-8
carbon disulfide

: 75-07-0,9002-91-9
acetaldehyde

: 105-53-3
diethyl malonate

: 175202-58-1
3,4-dimethyl thieno[2,3-b]thiophene

Guidance literature:: carbon disulfide; diethyl malonate; In N,N-dimethyl-formamide; Reflux;

acetaldehyde; With potassium fluoride; palladium 10% on activated carbon; In water; at 165 ℃; for 11h; under 3800.26 Torr;