4,5-Dichloro-3-methylthiophene-2-carboxylic acid

Base Information

• Chemical Name: 4,5-Dichloro-3-methylthiophene-2-carboxylic acid
• CAS No.: 854626-34-9
• Molecular Formula: C₆H₄Cl₂O₂S
• Molecular Weight: 211.069
• Mol file: 854626-34-9.mol

Synonyms:4,5-Dichloro-3-methylthiophene-2-carboxylic acid;4,5-dichloro-3-methyl-2-Thiophenecarboxylic acid

Chemical Property of 4,5-Dichloro-3-methylthiophene-2-carboxylic acid

Chemical Property:

• PSA: 65.54000
• LogP: 3.06150
• Storage Temp.: Keep in dark place,Sealed in dry,Store in freezer, under -20°C

Purity/Quality:

97% ^*data from raw suppliers

4,5-Dichloro-3-methylthiophene-2-carboxylicacid 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,5-Dichloro-3-methylthiophene-2-carboxylic acid

There total 2 articles about 4,5-Dichloro-3-methylthiophene-2-carboxylic acid 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: 93.0%

3-methyl-2-thiophenecarboxylic acid (23806-24-8) → 3-methyl-4,5-dichlorothiophene-2-carboxylic acid (854626-34-9)

Guidance literature:

With N-chloro-succinimide; acetic acid; In N,N-dimethyl-formamide; at 35 ℃; for 6h; Time; Cooling with ice;

Reference yield:

methyl 3-methylthiophene-2-carboxylate (81452-54-2) → 3-methyl-4,5-dichlorothiophene-2-carboxylic acid (854626-34-9)

Guidance literature:

With carbon disulfide; chlorine; Erwaermen des Reaktionsprodukts mit aethanol. Kalilauge;

upstream raw materials:

methyl 3-methylthiophene-2-carboxylate

3-methyl-2-thiophenecarboxylic acid

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