3-(4-bromo-benzyl)-1-(3,5-dichloro-phenyl)-5-(4-hydroxy-butane-1-sulfonyl)-3-methyl-1H-imidazo[1,2-a]imidazol-2-one

Base Information

• Chemical Name: 3-(4-bromo-benzyl)-1-(3,5-dichloro-phenyl)-5-(4-hydroxy-butane-1-sulfonyl)-3-methyl-1H-imidazo[1,2-a]imidazol-2-one
• CAS No.: 321719-80-6
• Molecular Formula: C₂₃H₂₂BrCl₂N₃O₄S
• Molecular Weight: 587.321
• Mol file: 321719-80-6.mol

Synonyms:3-(4-bromo-benzyl)-1-(3,5-dichloro-phenyl)-5-(4-hydroxy-butane-1-sulfonyl)-3-methyl-1H-imidazo[1,2-a]imidazol-2-one

Chemical Property of 3-(4-bromo-benzyl)-1-(3,5-dichloro-phenyl)-5-(4-hydroxy-butane-1-sulfonyl)-3-methyl-1H-imidazo[1,2-a]imidazol-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-(4-bromo-benzyl)-1-(3,5-dichloro-phenyl)-5-(4-hydroxy-butane-1-sulfonyl)-3-methyl-1H-imidazo[1,2-a]imidazol-2-one

There total 3 articles about 3-(4-bromo-benzyl)-1-(3,5-dichloro-phenyl)-5-(4-hydroxy-butane-1-sulfonyl)-3-methyl-1H-imidazo[1,2-a]imidazol-2-one 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: 84.0%

acetic acid 4-[5-(4-bromo-benzyl)-7-(3,5-dichloro-phenyl)-5-methyl-6-oxo-6,7-dihydro-5H-imidazo[1,2-a]imidazole-3-sulfonyl]-butyl ester (321723-77-7) → 3-(4-bromo-benzyl)-1-(3,5-dichloro-phenyl)-5-(4-hydroxy-butane-1-sulfonyl)-3-methyl-1H-imidazo[1,2-a]imidazol-2-one (321719-80-6)

Guidance literature:

With hydrogen bromide; In methanol; acetic acid; at 20 ℃;

DOI:10.1021/jm049657b

Reference yield:

(R)-3-(4-bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1H-imidazo[1,2-α]imidazol-2-one (321656-73-9) → 3-(4-bromo-benzyl)-1-(3,5-dichloro-phenyl)-5-(4-hydroxy-butane-1-sulfonyl)-3-methyl-1H-imidazo[1,2-a]imidazol-2-one (321719-80-6)

Guidance literature:

Multi-step reaction with 2 steps

1.1: cyclopentylmagnesium bromide / tetrahydrofuran / 0.67 h / -40 °C

1.2: SO₂ / tetrahydrofuran / 1.25 h / -40 - 20 °C

1.3: potassium carbonate / dimethylformamide / 70 - 80 °C

2.1: 84 percent / HBr / acetic acid; methanol / 20 °C

With hydrogen bromide; cyclopentylmagnesium bromide; In tetrahydrofuran; methanol; acetic acid;

DOI:10.1021/jm049657b

Reference yield:

(R)-3-(4-bromobenzyl)-1-(3,5-dichlorophenyl)-3-methyl-1-hydroimidazo[1,2-a]imidazol-2-one (321656-72-8) → 3-(4-bromo-benzyl)-1-(3,5-dichloro-phenyl)-5-(4-hydroxy-butane-1-sulfonyl)-3-methyl-1H-imidazo[1,2-a]imidazol-2-one (321719-80-6)

Guidance literature:

Multi-step reaction with 3 steps

1.1: N-iodosuccinimide; pyridinium p-toluenesulfonate / CH₂Cl₂ / 0 °C

2.1: cyclopentylmagnesium bromide / tetrahydrofuran / 0.67 h / -40 °C

2.2: SO₂ / tetrahydrofuran / 1.25 h / -40 - 20 °C

2.3: potassium carbonate / dimethylformamide / 70 - 80 °C

3.1: 84 percent / HBr / acetic acid; methanol / 20 °C

With N-iodo-succinimide; hydrogen bromide; pyridinium p-toluenesulfonate; cyclopentylmagnesium bromide; In tetrahydrofuran; methanol; dichloromethane; acetic acid;

DOI:10.1021/jm049657b

upstream raw materials:

acetic acid 4-[5-(4-bromo-benzyl)-7-(3,5-dichloro-phenyl)-5-methyl-6-oxo-6,7-dihydro-5H-imidazo[1,2-a]imidazole-3-sulfonyl]-butyl ester

(R)-3-(4-bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1H-imidazo[1,2-α]imidazol-2-one

(R)-3-(4-bromobenzyl)-1-(3,5-dichlorophenyl)-3-methyl-1-hydroimidazo[1,2-a]imidazol-2-one