1-(3,5-dibroMothiophen-2-yl)ethanone

Base Information

• Chemical Name: 1-(3,5-dibroMothiophen-2-yl)ethanone
• CAS No.: 80775-52-6
• Molecular Formula: C6H4Br2OS
• Molecular Weight: 283.971
• Hs Code.: 2934999090
• Mol file: 80775-52-6.mol

Synonyms:1-(3,5-Dibrom-[2]thienyl)-aethanon;2-acetyl-3,5-dibromo-thiophene;1-(3,5-dibromo-[2]thienyl)-ethanone;

Chemical Property of 1-(3,5-dibroMothiophen-2-yl)ethanone

Chemical Property:

• PSA: 45.31000
• LogP: 3.47570
• Storage Temp.: 2-8°C

Purity/Quality:

97% ^*data from raw suppliers

1-(3,5-dibromothiophen-2-yl)ethanone 95 ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-(3,5-dibroMothiophen-2-yl)ethanone

There total 5 articles about 1-(3,5-dibroMothiophen-2-yl)ethanone 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: 91.0%

2,5-dibromothiophen (3141-27-3) + N-Methoxy-N-methylacetamide (78191-00-1) → 1-(3,5-dibromo-[2]thienyl)-ethanone (80775-52-6)

Guidance literature:

2,5-dibromothiophen; With n-butyllithium; diisopropylamine; In tetrahydrofuran; hexane; at -78 ℃; for 0.25h; Inert atmosphere;

N-Methoxy-N-methylacetamide; In tetrahydrofuran; hexane; at -78 - 0 ℃; Inert atmosphere;

DOI:10.1002/anie.201609989

Reference yield: 90.0%

2,4-dibromothiophene (3140-92-9) + acetyl chloride (75-36-5) → 1-(3,5-dibromo-[2]thienyl)-ethanone (80775-52-6)

Guidance literature:

aluminium trichloride; In carbon disulfide; 1) RT, overnight, 2) reflux, 1 h;

Reference yield: 65.0%

2,3,5-tribromothiophene (3141-24-0) + 2-hydroxy-N-methoxy-N-methylpropanamide → 1-(3,5-dibromo-[2]thienyl)-ethanone (80775-52-6)

Guidance literature:

2,3,5-tribromothiophene; With n-butyllithium; In diethyl ether; at -78 ℃; for 0.5h;

2-hydroxy-N-methoxy-N-methylpropanamide; at -78 - 25 ℃; for 0.5h;

upstream raw materials:

2,4-dibromothiophene

acetyl chloride

2,3,5-tribromothiophene

N-Methoxy-N-methylacetamide