2-Chloro-4-fluoro-5-methanesulfonyl-benzoic acid methyl ester

Base Information

• Chemical Name: 2-Chloro-4-fluoro-5-methanesulfonyl-benzoic acid methyl ester
• CAS No.: 33344-26-2
• Molecular Formula: C₉H₈ClFO₄S
• Molecular Weight: 266.678
• Mol file: 33344-26-2.mol

Synonyms:2-Chloro-4-fluoro-5-methanesulfonyl-benzoic acid methyl ester

Chemical Property of 2-Chloro-4-fluoro-5-methanesulfonyl-benzoic acid methyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-Chloro-4-fluoro-5-methanesulfonyl-benzoic acid methyl ester

There total 5 articles about 2-Chloro-4-fluoro-5-methanesulfonyl-benzoic acid methyl ester 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: 62.0%

methanol (67-56-1) + 2-Chloro-4-fluoro-5-methanesulfonyl-benzoic acid (176309-06-1) → 2-Chloro-4-fluoro-5-methanesulfonyl-benzoic acid methyl ester (33344-26-2)

Guidance literature:

With hydrogenchloride; for 20h; Heating;

DOI:10.1021/jm960768n

Reference yield:

2-choro-4-fluorobenzoic acid (2252-51-9) → 2-Chloro-4-fluoro-5-methanesulfonyl-benzoic acid methyl ester (33344-26-2)

Guidance literature:

Multi-step reaction with 4 steps

1: ClSO₃H / 6 h / 140 °C

2: aq. Na₂SO₃, aq. NaOH / 15 - 20 °C

3: aq. NaOH / methanol / 30 h / Heating

4: 62 percent / HCl / 20 h / Heating

With hydrogenchloride; chlorosulfonic acid; sodium hydroxide; sodium sulfite; In methanol;

DOI:10.1021/jm960768n

Reference yield:

2-chloro-5-(chlorosulfonyl)-4-fluorobenzoic acid (264927-50-6) → 2-Chloro-4-fluoro-5-methanesulfonyl-benzoic acid methyl ester (33344-26-2)

Guidance literature:

Multi-step reaction with 3 steps

1: aq. Na₂SO₃, aq. NaOH / 15 - 20 °C

2: aq. NaOH / methanol / 30 h / Heating

3: 62 percent / HCl / 20 h / Heating

With hydrogenchloride; sodium hydroxide; sodium sulfite; In methanol;

DOI:10.1021/jm960768n

upstream raw materials:

methanol

2-Chloro-4-fluoro-5-methanesulfonyl-benzoic acid

2-choro-4-fluorobenzoic acid

2-chloro-5-(chlorosulfonyl)-4-fluorobenzoic acid

Downstream raw materials:

2-Chloro-5-methanesulfonyl-4-(pyridin-3-yloxy)-benzoic acid methyl ester

2-Chloro-4-dimethylamino-5-methanesulfonyl-benzoic acid methyl ester