2-(trichloroethenyl)-1-benzothiophene 1,1-dioxide

Base Information

• Chemical Name: 2-(trichloroethenyl)-1-benzothiophene 1,1-dioxide
• CAS No.: 121354-90-3
• Molecular Formula: C₁₀H₅Cl₃O₂S
• Molecular Weight: 295.573
• Mol file: 121354-90-3.mol

Synonyms:Benzo[b]thiophene,2-(trichloroethenyl)-, 1,1-dioxide (9CI)

Chemical Property of 2-(trichloroethenyl)-1-benzothiophene 1,1-dioxide

Chemical Property:

• Vapor Pressure: 2.25E-06mmHg at 25°C
• Boiling Point: 404.1°C at 760 mmHg
• Flash Point: 198.2°C
• Density: 1.661g/cm³

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-(trichloroethenyl)-1-benzothiophene 1,1-dioxide

There total 3 articles about 2-(trichloroethenyl)-1-benzothiophene 1,1-dioxide 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-(trichloroethenyl)benzothiophene (121354-89-0) → 2-(trichloroethenyl)benzothiophene 1,1-dioxide (121354-90-3)

Guidance literature:

With dihydrogen peroxide; In acetic acid; at 100 ℃;

DOI:10.1021/jo00275a013

Reference yield:

1-(benzothiophene-2-yl)-2,2,2-trichloroethanol (26477-43-0) → 2-(trichloroethenyl)benzothiophene 1,1-dioxide (121354-90-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 75 percent / SOCl₂/DMF / toluene / Heating

2: 30percent H₂O₂ / acetic acid / 100 °C

With thionyl chloride; dihydrogen peroxide; N,N-dimethyl-formamide; In acetic acid; toluene;

DOI:10.1021/jo00275a013

Reference yield:

Benzo[b]thiophene (95-15-8,11095-43-5) → 2-(trichloroethenyl)benzothiophene 1,1-dioxide (121354-90-3)

Guidance literature:

Multi-step reaction with 3 steps

1: 1.) nBuLi, 2.) ZnCl₂

2: 75 percent / SOCl₂/DMF / toluene / Heating

3: 30percent H₂O₂ / acetic acid / 100 °C

With n-butyllithium; thionyl chloride; dihydrogen peroxide; N,N-dimethyl-formamide; zinc(II) chloride; In acetic acid; toluene;

DOI:10.1021/jo00275a013

upstream raw materials:

2-(trichloroethenyl)benzothiophene

1-(benzothiophene-2-yl)-2,2,2-trichloroethanol

Benzo[b]thiophene

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