2-methyl-3-(perfluorocyclopent-1-en-1-yl)-5-(4-(trifluoromethyl)phenyl)thiophene

Base Information

• Chemical Name: 2-methyl-3-(perfluorocyclopent-1-en-1-yl)-5-(4-(trifluoromethyl)phenyl)thiophene
• CAS No.: 1374693-92-1
• Molecular Formula: C₁₇H₈F₁₀S
• Molecular Weight: 434.301
• Mol file: 1374693-92-1.mol

Synonyms:2-methyl-3-(perfluorocyclopent-1-en-1-yl)-5-(4-(trifluoromethyl)phenyl)thiophene

Chemical Property of 2-methyl-3-(perfluorocyclopent-1-en-1-yl)-5-(4-(trifluoromethyl)phenyl)thiophene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-methyl-3-(perfluorocyclopent-1-en-1-yl)-5-(4-(trifluoromethyl)phenyl)thiophene

There total 5 articles about 2-methyl-3-(perfluorocyclopent-1-en-1-yl)-5-(4-(trifluoromethyl)phenyl)thiophene 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: 66.0%

octaperfluorocyclopentene (559-40-0) + 3-bromo-2-methyl-5-(4-(trifluoromethyl)phenyl)thiophene (1374693-91-0) → 2-methyl-3-(perfluorocyclopent-1-en-1-yl)-5-(4-(trifluoromethyl)phenyl)thiophene (1374693-92-1)

Guidance literature:

3-bromo-2-methyl-5-(4-(trifluoromethyl)phenyl)thiophene; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 0.5h;

octaperfluorocyclopentene; In tetrahydrofuran; hexane; at -78 - 20 ℃; for 2h;

DOI:10.1021/jacs.8b02982

Reference yield:

3-bromo-2-methylthiophene-5-boronic acid (154566-69-5) → 2-methyl-3-(perfluorocyclopent-1-en-1-yl)-5-(4-(trifluoromethyl)phenyl)thiophene (1374693-92-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / tetrahydrofuran; water / 15 h / 69.84 °C

2.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78.16 °C / Inert atmosphere

2.2: 1 h / -78.16 °C / Inert atmosphere

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; sodium carbonate; In tetrahydrofuran; hexane; water; 1.1: |Suzuki Coupling;

DOI:10.1016/j.tetlet.2012.11.141

Reference yield:

p-trifluoromethylphenyl bromide (402-43-7) → 2-methyl-3-(perfluorocyclopent-1-en-1-yl)-5-(4-(trifluoromethyl)phenyl)thiophene (1374693-92-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / tetrahydrofuran; water / 15 h / 69.84 °C

2.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78.16 °C / Inert atmosphere

2.2: 1 h / -78.16 °C / Inert atmosphere

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; sodium carbonate; In tetrahydrofuran; hexane; water; 1.1: |Suzuki Coupling;

DOI:10.1016/j.tetlet.2012.11.141

upstream raw materials:

octaperfluorocyclopentene

3-bromo-2-methyl-5-(4-(trifluoromethyl)phenyl)thiophene

3-bromo-2-methylthiophene-5-boronic acid

p-trifluoromethylphenyl bromide

Downstream raw materials:

1-(2,4-dimethoxyl-5-pyrimidinyl)-2-[2-methyl-5-(p-trifluoromethylphenyl)-3-thienyl]perfluorocyclopentene

1-(1,2-dimethyl-7-azaindol-3-yl)-2-[2-methyl-5-(4-trifluoromethylphenyl)-3-thienyl]perfluorocyclopentene