2,3-DIMETHYLBENZOTHIOPHENE

Base Information

• Chemical Name: 2,3-DIMETHYLBENZOTHIOPHENE
• CAS No.: 4923-91-5
• Molecular Formula: C10H10S
• Molecular Weight: 162.255
• Mol file: 4923-91-5.mol

Synonyms:2,3-dimethyl-benzothiophene;2,3-DIFLUORO-1-PROPOXYBENZENE;

Chemical Property of 2,3-DIMETHYLBENZOTHIOPHENE

Chemical Property:

• Vapor Pressure: 0.0127mmHg at 25°C
• Boiling Point: 268.4°C at 760 mmHg
• Flash Point: 84.5°C
• PSA: 28.24000
• Density: 1.114g/cm³
• LogP: 3.51810

Purity/Quality:

99% ^*data from raw suppliers

2,3-DIMETHYLBENZOTHIOPHENE 98.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,3-DIMETHYLBENZOTHIOPHENE

There total 22 articles about 2,3-DIMETHYLBENZOTHIOPHENE 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: 97.0%

3-bromo-2-methylbenzo[b]thiophene (10243-15-9) + methyl iodide (74-88-4) → 2,3-dimethylbenzothiophene (4923-91-5)

Guidance literature:

With n-butyllithium; 1) THF, hexane, -75 deg C, 2) -75 deg C, then r.t.;

Reference yield: 85.0%

2-methyl-2-(phenylthio)propanal (63996-66-7) → 2,3-dimethylbenzothiophene (4923-91-5)

Guidance literature:

With triethyloxonium fluoroborate; In dichloromethane; Ambient temperature;

Reference yield: 35.0%

1-oxo-2,3-dimethylbenzothiophene (70445-88-4) → 2,3-dimethylbenzothiophene (4923-91-5)

Guidance literature:

With benzophenone; In benzene; Irradiation;

DOI:10.1021/jo00334a030

upstream raw materials:

2-chloromethyl-3-methylbenzothiophene

3-bromo-2-methylbenzo[b]thiophene

methyl iodide

1-oxo-2,3-dimethylbenzothiophene

Downstream raw materials:

2-(4-methoxybenzyl)-3-methylbenzo[b]thiophene

3-methylbenzo[b]-thiophene-2-acetic acid