4,5-Dibromothiophene-2-sulphonyl chloride

Base Information

• Chemical Name: 4,5-Dibromothiophene-2-sulphonyl chloride
• CAS No.: 81606-31-7
• Molecular Formula: C4H Br2 Cl O2 S2
• Molecular Weight: 340.44100
• Hs Code.: 2934999090
• Mol file: 81606-31-7.mol

Synonyms:2,3-Dibromothiophene-5-sulfonylchloride; 4,5-Dibromo-2-thiophenesulfonyl chloride

Chemical Property of 4,5-Dibromothiophene-2-sulphonyl chloride

Chemical Property:

• Appearance/Colour: yellow crystalline powder
• Vapor Pressure: 1.93E-05mmHg at 25°C
• Melting Point: 71-75oC
• Boiling Point: 373.4oC at 760 mmHg
• Flash Point: 179.6oC
• PSA: 70.76000
• Density: 2.301g/cm3
• LogP: 4.28140
• Storage Temp.: Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
• Sensitive.: Moisture Sensitive

Purity/Quality:

97% ^*data from raw suppliers

4,5-Dibromothiophene-2-sulfonyl chloride ^*data from reagent suppliers

Safty Information:

• Hazard Codes: C
• Statements: 34
• Safety Statements: 45-36/37/39-26

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,5-Dibromothiophene-2-sulphonyl chloride

There total 1 articles about 4,5-Dibromothiophene-2-sulphonyl chloride 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:

2,3-dibromothiophen (3140-93-0) → 4,5-dibromo-thiophene-2-sulfonyl chloride (81606-31-7)

Guidance literature:

With chlorosulphuric acid; Erwaermen des Natrium-Salzes der erhaltenen Sulfonsaeure mit Phosphor(V)-chlorid;

Reference yield: 46.0%

benzyl 2-(3-chloro-9H-carbazol-7-yl)propionate (166408-09-9) + 4,5-dibromo-thiophene-2-sulfonyl chloride (81606-31-7) → benzyl 2-(6-chloro-9-(4,5-dibromothiophen-2-ylsulfonyl)-9H-carbazol-2-yl)propanoate (918547-64-5)

Guidance literature:

benzyl 2-(3-chloro-9H-carbazol-7-yl)propionate; With sodium hydride; In tetrahydrofuran; at 0 ℃; for 0.5h;

4,5-dibromo-thiophene-2-sulfonyl chloride; In tetrahydrofuran; at 20 ℃;

DOI:10.1021/jm0610200

Reference yield: 21.0%

4,5-dibromo-thiophene-2-sulfonyl chloride (81606-31-7) + 1-(3-aminophenyl)-6-(3-hydroxyphenyl)naphthalen-2-ol (1064680-92-7) → 4,5-dibromo-N-(3-(2-hydroxy-6-(3-hydroxyphenyl)naphthalen-1-yl)phenyl)thiophene-2-sulfonamide (1064681-09-9)

Guidance literature:

4,5-dibromo-thiophene-2-sulfonyl chloride; 1-(3-aminophenyl)-6-(3-hydroxyphenyl)naphthalen-2-ol; With polystyrene supported morpholine; In tetrahydrofuran; at 20 ℃; for 15h;

With polystyrene supported dimethylaminopyridine; In tetrahydrofuran; at 60 ℃; for 15h;

DOI:10.1021/jm201735j

upstream raw materials:

2,3-dibromothiophen

Downstream raw materials:

4,5-dibromothiophene-2-sulfonamide

benzyl 2-(6-chloro-9-(4,5-dibromothiophen-2-ylsulfonyl)-9H-carbazol-2-yl)propanoate

4,5-Dibromo-N-[4-chloro-3-(2-dimethylamino-ethoxy)-phenyl]-2-thiophenesulfonamide

4,5-dibromo-N-[[(4-chlorophenyl)amino]carbonyl]-2-thiophenesulfonamide

Post a RFQ

Cas No.:

Product Name:

Quantity:

Please select Metric Ton KG G Pound L ML

Email:

Company name:

Valid Period:

Detailed Requirements:

• Sample
• MOQ
• GMP
• FDA
• Price
  FOB CIF CFR EXW
• Urgent purchase

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

Remove

Submit

1

What can I do for you?
Get Best Price

Get Best Price for 81606-31-7 4,5-Dibromothiophene-2-sulphonyl chloride

Send

Send

Metric Ton KG G Pound L ML

Send

Send