3-(3,5-di-tert-butyl-2-hydroxyphenyl)-1-methyl-1H-imidazol-3-ium bromide

Base Information

• Chemical Name: 3-(3,5-di-tert-butyl-2-hydroxyphenyl)-1-methyl-1H-imidazol-3-ium bromide
• CAS No.: 1191914-70-1
• Molecular Formula: Br*C₁₈H₂₇N₂O
• Molecular Weight: 367.329
• Mol file: 1191914-70-1.mol

Synonyms:3-(3,5-di-tert-butyl-2-hydroxyphenyl)-1-methyl-1H-imidazol-3-ium bromide

Chemical Property of 3-(3,5-di-tert-butyl-2-hydroxyphenyl)-1-methyl-1H-imidazol-3-ium bromide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-(3,5-di-tert-butyl-2-hydroxyphenyl)-1-methyl-1H-imidazol-3-ium bromide

There total 2 articles about 3-(3,5-di-tert-butyl-2-hydroxyphenyl)-1-methyl-1H-imidazol-3-ium bromide 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: 25.0%

1-methyl-1H-imidazole (616-47-7) + 4-bromo-2,4,6-tri-tert-butyl-2,5-cyclohexadiene-1-one (1988-75-6) → 3-(3,5-di-tert-butyl-2-hydroxyphenyl)-1-methyl-1H-imidazol-3-ium bromide (1191914-70-1)

Guidance literature:

1-methyl-1H-imidazole; 4-bromo-2,4,6-tri-tert-butyl-2,5-cyclohexadiene-1-one; In ethylene glycol; at 135 ℃; for 8h;

With hydrogen bromide; In ethylene glycol;

DOI:10.1039/c6ra20764b

Reference yield:

2,4,6-tri-tert-butylphenoxol (732-26-3) → 3-(3,5-di-tert-butyl-2-hydroxyphenyl)-1-methyl-1H-imidazol-3-ium bromide (1191914-70-1)

Guidance literature:

Multi-step reaction with 2 steps

1: bromine; trimethyl phosphite / Inert atmosphere; Schlenk technique

2: ethylene glycol / 135 °C / Inert atmosphere; Schlenk technique

With trimethyl phosphite; bromine; In ethylene glycol;

DOI:10.1016/j.molcata.2015.03.015

Reference yield: 30.0%

dicarbonylcyclopentadienyliodoiron(II) (12078-28-3,38979-86-1) + 3-(3,5-di-tert-butyl-2-hydroxyphenyl)-1-methyl-1H-imidazol-3-ium bromide (1191914-70-1) → C25H30FeN2O3

Guidance literature:

3-(3,5-di-tert-butyl-2-hydroxyphenyl)-1-methyl-1H-imidazol-3-ium bromide; With potassium tert-butylate; In tetrahydrofuran; at 20 ℃; for 1h;

dicarbonylcyclopentadienyliodoiron(II); In tetrahydrofuran; at 0 - 20 ℃; for 1h;

DOI:10.1039/c6ra20764b

upstream raw materials:

1-methyl-1H-imidazole

4-bromo-2,4,6-tri-tert-butyl-2,5-cyclohexadiene-1-one

2,4,6-tri-tert-butylphenoxol