3-Methylbenzo[b]thiophene dioxide

Base Information

• Chemical Name: 3-Methylbenzo[b]thiophene dioxide
• CAS No.: 6406-91-3
• Molecular Formula: C9H8 O2 S
• Molecular Weight: 180.227
• Hs Code.: 2934999090
• Mol file: 6406-91-3.mol

Synonyms:3-Methyl-1-thiaindene1,1-dioxide; 3-Methylbenzo[b]thiophene 1,1-dioxide; 3-Methylbenzo[b]thiophenedioxide; 3-Methylbenzo[b]thiophene sulfone; 3-Methylbenzothiophene 1,1-dioxide

Chemical Property of 3-Methylbenzo[b]thiophene dioxide

Chemical Property:

• Vapor Pressure: 2.75E-05mmHg at 25°C
• Boiling Point: 368.1°C at 760 mmHg
• Flash Point: 233.2°C
• PSA: 42.52000
• Density: 1.321g/cm³
• LogP: 2.91550

Purity/Quality:

97% ^*data from raw suppliers

3-methyl-1lambda6-benzothiophene-1,1-dione ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3-Methylbenzo[b]thiophene dioxide

There total 15 articles about 3-Methylbenzo[b]thiophene 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: 99.0%

3-methylbenzothiophene (1455-18-1) → 3-methyl-1-benzothiophene-1,1-dioxide (6406-91-3)

Guidance literature:

With dihydrogen peroxide; C₂₂H₄₄N₆Nb₂O₁₄; In methanol; water; at 45 ℃; for 3.5h; Catalytic behavior; Inert atmosphere; Sealed tube;

DOI:10.1016/j.mcat.2021.111972

Reference yield: 95.0%

3-hydroxy-3-methyl-2,3-dihydro-1H-1-benzothiophene-1,1-dioxide (62521-48-6) → 3-methyl-1-benzothiophene-1,1-dioxide (6406-91-3)

Guidance literature:

With toluene-4-sulfonic acid; In benzene; Heating;

DOI:10.1016/S0040-4020(02)00399-X

Reference yield: 9.0%

3-methylbenzothiophene (1455-18-1) → 3-methyl-1-benzothiophene-1,1-dioxide (6406-91-3) + 3-Methylbenzothiophene sulfoxide (51500-43-7)

Guidance literature:

With dihydrogen peroxide; C₂₂H₄₄N₆Nb₂O₁₄; In water; acetonitrile; at 45 ℃; for 4h; Catalytic behavior; Inert atmosphere; Sealed tube;

DOI:10.1016/j.mcat.2021.111972

upstream raw materials:

3-methylbenzothiophene

3-hydroxy-3-methyl-2,3-dihydro-1H-1-benzothiophene-1,1-dioxide

2-bromo-1-(methylsulfanyl)benzene

2'-(methylthio)acetophenone

Downstream raw materials:

3-methyl-2,3-dihydrobenzo[b]thiophene dioxide

3-(4-methoxy-phenyl)-8b-methyl-2-phenyl-2,3,3a,8b-tetrahydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide

3,8b-dimethyl-1-phenyl-3a,8b-dihydro-1H-benzo[4,5]thieno[3,2-c]pyrazole 4,4-dioxide

8b-methyl-3-phenyl-(3ar,8bc)-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide

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