4 6-DIETHYLDIBENZOTHIOPHENE 97

Base Information

• Chemical Name: 4 6-DIETHYLDIBENZOTHIOPHENE 97
• CAS No.: 132034-91-4
• Molecular Formula: C16H16 S
• Molecular Weight: 240.36
• Mol file: 132034-91-4.mol

Synonyms:4,6-Diethyldibenzothiophene

Chemical Property of 4 6-DIETHYLDIBENZOTHIOPHENE 97

Chemical Property:

• Vapor Pressure: 7.84E-06mmHg at 25°C
• Melting Point: 49-50 °C(lit.)
• Refractive Index: 1.669
• Boiling Point: 386.5°C at 760 mmHg
• Flash Point: >230 °F
• PSA: 28.24000
• Density: 1.129g/cm³
• LogP: 5.17930

Purity/Quality:

98%,99%, ^*data from raw suppliers

4,6-Diethyldibenzothiophene 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4 6-DIETHYLDIBENZOTHIOPHENE 97

There total 6 articles about 4 6-DIETHYLDIBENZOTHIOPHENE 97 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:

4,6-dimethyldibenzothiophene (1207-12-1) + methyl iodide (74-88-4) → 4,6-Diethyldibenzothiophene (132034-91-4)

Guidance literature:

4,6-dimethyldibenzothiophene; With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; In cyclohexane; for 3h; Heating;

methyl iodide; In cyclohexane; at 20 ℃;

DOI:10.1006/jcat.2000.2897

Reference yield:

4-methyldibenzothiophene (7372-88-5) → 4,6-Diethyldibenzothiophene (132034-91-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 1) BuLi / 1) THF, Et₂O, hexane, reflux, 1 h, 2) reflux, 1 h

2: 1) BuLi / 1) THF, Et₂O, hexane, reflux, 1 h, 2) reflux, 1 h

With n-butyllithium;

Reference yield:

dibenzothiophene (132-65-0) + ethyl iodide (75-03-6) → 4,6-Diethyldibenzothiophene (132034-91-4)

Guidance literature:

With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; Yield given. Multistep reaction; 1.) hexane, 60 deg C, 2 h, 2.) hexane, from 0 deg C to RT, 12 h;

DOI:10.1016/0040-4020(96)00459-0

upstream raw materials:

diethyl sulfate

4-Ethyldibenzothiophene

ethyl iodide

dibenzothiophene

Downstream raw materials:

3,3'-diethyl-1,1'-biphenyl

Refernces

• 1、 Kuehm-Caubere, Catherine,Adach-Becker, Sandrine,Fort, Yves,Caubere, Paul. "Expeditious and efficient syntheses of pure 4-methyl and 4,6-disubstituted dibenzothiophenes". . p. 9087 - 9092. Retrieved 2007/10/03.
• 2、 Katritzky, Alan R.,Perumal, Subbu. "Synthesis of Some 4-Substituted and 4,6-Disubstituted Dibenzothiophenes". . p. 1737 - 1740. Retrieved 2007/10/02.