Thiophene, 3,4-dibromo-2,5-bis(phenylethynyl)-

Base Information

Chemical Name:Thiophene, 3,4-dibromo-2,5-bis(phenylethynyl)-
CAS No.:874583-46-7
Molecular Formula:C20H10Br2S
Molecular Weight:442.173
Hs Code.:
DSSTox Substance ID:DTXSID80478960
Nikkaji Number:J2.282.856H
Wikidata:Q82312729

Synonyms:Thiophene, 3,4-dibromo-2,5-bis(phenylethynyl)-;874583-46-7;DTXSID80478960

Suppliers and Price of Thiophene, 3,4-dibromo-2,5-bis(phenylethynyl)-

Supply Marketing:

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

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Chemical Property of Thiophene, 3,4-dibromo-2,5-bis(phenylethynyl)-

Chemical Property:

XLogP3:7.1
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:4
Exact Mass:441.88495
Heavy Atom Count:23
Complexity:471

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C1=CC=C(C=C1)C#CC2=C(C(=C(S2)C#CC3=CC=CC=C3)Br)Br

Technology Process of Thiophene, 3,4-dibromo-2,5-bis(phenylethynyl)-

There total 1 articles about Thiophene, 3,4-dibromo-2,5-bis(phenylethynyl)- 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: 92.0%

: 3958-03-0
Tetrabromothiophene

: 536-74-3
phenylacetylene

: 874583-46-7
3,4-dibromo-2,5-bis-phenylethynyl-thiophene

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine; In methanol; for 24h; Heating;
DOI:10.1021/ol052542x

Reference yield: 72.0%

: 874583-46-7
3,4-dibromo-2,5-bis-phenylethynyl-thiophene

: 63139-21-9
4-ethylphenylboronic acid

: 3,4-bis(4-ethylphenyl)-2,5-bis(phenylethynyl)thiophene

Guidance literature:: With trans-bis(triphenylphosphine)palladium dichloride; potassium carbonate; In ethanol; at 100 ℃; for 10h; Time; Inert atmosphere; Schlenk technique;
DOI:10.1039/c7ob02601c

Reference yield: 50.0%

: 874583-46-7
3,4-dibromo-2,5-bis-phenylethynyl-thiophene

: 1066-54-2
trimethylsilylacetylene

: 874583-47-8
2,5-bis-phenylethynyl-3,4-bis-trimethylsilanylethynyl-thiophene

Guidance literature:: With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; diisopropylamine; In methanol; at 20 - 50 ℃; for 216h;
DOI:10.1021/ol052542x