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

Base Information

Chemical Name:3,4-Dibromothieno[2,3-b]thiophene
CAS No.:53255-78-0
Molecular Formula:C6H2Br2S2
Molecular Weight:298.02
Hs Code.:2934999090
European Community (EC) Number:691-493-7
DSSTox Substance ID:DTXSID80201371
Nikkaji Number:J89.760D
Wikidata:Q83074581
Mol file:53255-78-0.mol

Synonyms:3,4-dibromothieno[2,3-b]thiophene;53255-78-0;Thieno(2,3-b)thiophene, 3,4-dibromo-;3,4-dibromo-Thieno[2,3-b]thiophene;Thieno[2,3-b]thiophene,3,4-dibromo-;SCHEMBL595807;DTXSID80201371;BUGQRBSPOFSLQS-UHFFFAOYSA-N;MFCD18451660;AKOS015835723;D4033;FT-0730647;T71014

Suppliers and Price of 3,4-Dibromothieno[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

TCI Chemical
3,4-Dibromothieno[2,3-b]thiophene >98.0%(GC)
1g
$ 456.00

Biosynth Carbosynth
3,4-Dibromothieno[2,3-b]thiophene
1 g
$ 315.00

Biosynth Carbosynth
3,4-Dibromothieno[2,3-b]thiophene
500 mg
$ 180.00

Biosynth Carbosynth
3,4-Dibromothieno[2,3-b]thiophene
250 mg
$ 105.00

Biosynth Carbosynth
3,4-Dibromothieno[2,3-b]thiophene
100 mg
$ 52.00

Biosynth Carbosynth
3,4-Dibromothieno[2,3-b]thiophene
2 g
$ 536.00

AK Scientific
3,4-Dibromothieno[2,3-b]thiophene
1g
$ 661.00

Total 8 raw suppliers

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

Chemical Property:

Vapor Pressure:9.76E-05mmHg at 25°C
Melting Point:131.0 to 135.0 °C
Boiling Point:349°C at 760 mmHg
Flash Point:164.9°C
PSA：56.48000
Density:2.209g/cm³
LogP:4.48780
Storage Temp.:<0°C
XLogP3:4.3
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:0
Exact Mass:297.79442
Heavy Atom Count:10
Complexity:128

Purity/Quality:

98% ^*data from raw suppliers

3,4-Dibromothieno[2,3-b]thiophene >98.0%(GC) ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C1=C(C2=C(S1)SC=C2Br)Br

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

There total 3 articles about 3,4-Dibromothieno[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:

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

: 53255-78-0
3,4-dibromothieno<2,3-b>thiophene

Guidance literature:: Multi-step reaction with 2 steps

1: 85 percent / Br₂ / CS₂ / 54 h / Heating

2: 71 percent / Zn, AcOH / 3 h / Heating

With bromine; acetic acid; zinc; In carbon disulfide;
DOI:10.1246/bcsj.66.2033

Reference yield:

: 18292-02-9
1-trimethylsilyl-1,3-pentadiyne

: 53255-78-0
3,4-dibromothieno<2,3-b>thiophene

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) t-BuOK, n-BuLi, 2.) t-BuOH, HMPA / 1.) THF, hexane, from -100 to -30 deg C, 2 h, 2.) THF, hexane, a) -30 deg C, 3 h, b) RT, overnight

2: 85 percent / Br₂ / CS₂ / 54 h / Heating

3: 71 percent / Zn, AcOH / 3 h / Heating

With N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium; potassium tert-butylate; bromine; acetic acid; zinc; tert-butyl alcohol; In carbon disulfide;
DOI:10.1246/bcsj.66.2033