3-(3,4-Difluoro-phenyl)-4-(4-methanesulfonyl-phenyl)-cyclopent-3-ene-1,1-dicarboxylic acid dimethyl ester

Base Information

• Chemical Name: 3-(3,4-Difluoro-phenyl)-4-(4-methanesulfonyl-phenyl)-cyclopent-3-ene-1,1-dicarboxylic acid dimethyl ester
• CAS No.: 1026243-50-4
• Molecular Formula: C₂₂H₂₀F₂O₆S
• Molecular Weight: 450.46
• Mol file: 1026243-50-4.mol

Synonyms:3-(3,4-Difluoro-phenyl)-4-(4-methanesulfonyl-phenyl)-cyclopent-3-ene-1,1-dicarboxylic acid dimethyl ester

Chemical Property of 3-(3,4-Difluoro-phenyl)-4-(4-methanesulfonyl-phenyl)-cyclopent-3-ene-1,1-dicarboxylic acid dimethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-(3,4-Difluoro-phenyl)-4-(4-methanesulfonyl-phenyl)-cyclopent-3-ene-1,1-dicarboxylic acid dimethyl ester

There total 8 articles about 3-(3,4-Difluoro-phenyl)-4-(4-methanesulfonyl-phenyl)-cyclopent-3-ene-1,1-dicarboxylic acid dimethyl 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:

2-[2-(3,4-Difluoro-phenyl)-2-oxo-ethyl]-2-[2-(4-methanesulfonyl-phenyl)-2-oxo-ethyl]-malonic acid dimethyl ester (1026728-76-6) → 3-(3,4-Difluoro-phenyl)-4-(4-methanesulfonyl-phenyl)-cyclopent-3-ene-1,1-dicarboxylic acid dimethyl ester (1026243-50-4)

Guidance literature:

With titanium(III) chloride; zinc; In 1,2-dimethoxyethane; for 1h; Heating;

DOI:10.1021/jm950664x

Reference yield:

2-bromo-1-(4-methanesulfonylphenyl)ethanone (50413-24-6) → 3-(3,4-Difluoro-phenyl)-4-(4-methanesulfonyl-phenyl)-cyclopent-3-ene-1,1-dicarboxylic acid dimethyl ester (1026243-50-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 63.3 percent / K₂CO₃, KI / tetrahydrofuran / 6 h / Ambient temperature

2: K₂CO₃, KI / tetrahydrofuran

3: TiCl₃, zinc dust / 1,2-dimethoxy-ethane / 1 h / Heating

With titanium(III) chloride; potassium carbonate; potassium iodide; zinc; In tetrahydrofuran; 1,2-dimethoxyethane;

DOI:10.1021/jm950664x

Reference yield:

4-(Methylthio)acetophenone (1778-09-2) → 3-(3,4-Difluoro-phenyl)-4-(4-methanesulfonyl-phenyl)-cyclopent-3-ene-1,1-dicarboxylic acid dimethyl ester (1026243-50-4)

Guidance literature:

Multi-step reaction with 5 steps

1: 91 percent / mCPBA / CH₂Cl₂ / Ambient temperature

2: 15.7 g / HCl, bromine / acetic acid

3: 63.3 percent / K₂CO₃, KI / tetrahydrofuran / 6 h / Ambient temperature

4: K₂CO₃, KI / tetrahydrofuran

5: TiCl₃, zinc dust / 1,2-dimethoxy-ethane / 1 h / Heating

With hydrogenchloride; titanium(III) chloride; bromine; potassium carbonate; 3-chloro-benzenecarboperoxoic acid; potassium iodide; zinc; In tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane; acetic acid;

DOI:10.1021/jm950664x

upstream raw materials:

2-[2-(3,4-Difluoro-phenyl)-2-oxo-ethyl]-2-[2-(4-methanesulfonyl-phenyl)-2-oxo-ethyl]-malonic acid dimethyl ester

2-bromo-1-(4-methanesulfonylphenyl)ethanone

4-(Methylthio)acetophenone

4-(methanesulfonyl)acetophenone

Downstream raw materials:

C₃₄H₃₂F₂O₈S₃

5-(3,4-difluorophenyl)-6-[4-(methylsulfonyl)phenyl]spiro[2.4]hept-5-ene

[3-(3,4-Difluoro-phenyl)-1-hydroxymethyl-4-(4-methanesulfonyl-phenyl)-cyclopent-3-enyl]-methanol