1-(2-bromoethyl)-4-(2-hydroxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one

Base Information

• Chemical Name: 1-(2-bromoethyl)-4-(2-hydroxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one
• CAS No.: 1297428-71-7
• Molecular Formula: C₁₃H₁₃BrN₂O₂
• Molecular Weight: 309.162
• Mol file: 1297428-71-7.mol

Synonyms:1-(2-bromoethyl)-4-(2-hydroxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one

Chemical Property of 1-(2-bromoethyl)-4-(2-hydroxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-(2-bromoethyl)-4-(2-hydroxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one

There total 4 articles about 1-(2-bromoethyl)-4-(2-hydroxybenzylidene)-2-methyl-1H-imidazol-5(4H)-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: 72.0%

1-(2-bromoethyl)-4-(2-methoxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one (1297428-68-2) → 1-(2-bromoethyl)-4-(2-hydroxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one (1297428-71-7)

Guidance literature:

1-(2-bromoethyl)-4-(2-methoxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one; With boron tribromide; In dichloromethane; at 0 - 20 ℃; Inert atmosphere;

With water; In dichloromethane; for 0.5h; Inert atmosphere;

DOI:10.1055/s-0030-1258400

Reference yield:

4-(2-methoxybenzylidene)-2-methyloxazol-5(4H)-one (74169-01-0) → 1-(2-bromoethyl)-4-(2-hydroxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one (1297428-71-7)

Guidance literature:

Multi-step reaction with 3 steps

1.1: propan-1-ol / 5 h / Reflux

2.1: triphenylphosphine / dichloromethane / 0.17 h / 0 °C / Inert atmosphere

2.2: 8.5 h / 20 °C / Inert atmosphere

3.1: boron tribromide / dichloromethane / 0 - 20 °C / Inert atmosphere

3.2: 0.5 h / Inert atmosphere

With boron tribromide; triphenylphosphine; In propan-1-ol; dichloromethane;

DOI:10.1055/s-0030-1258400

Reference yield:

ortho-anisaldehyde (135-02-4) → 1-(2-bromoethyl)-4-(2-hydroxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one (1297428-71-7)

Guidance literature:

Multi-step reaction with 4 steps

1.1: sodium acetate / acetic anhydride / 4.5 h / 100 °C

2.1: propan-1-ol / 5 h / Reflux

3.1: triphenylphosphine / dichloromethane / 0.17 h / 0 °C / Inert atmosphere

3.2: 8.5 h / 20 °C / Inert atmosphere

4.1: boron tribromide / dichloromethane / 0 - 20 °C / Inert atmosphere

4.2: 0.5 h / Inert atmosphere

With sodium acetate; boron tribromide; triphenylphosphine; In propan-1-ol; dichloromethane; acetic anhydride;

DOI:10.1055/s-0030-1258400

upstream raw materials:

1-(2-hydroxyethyl)-4-(2-methoxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one

1-(2-bromoethyl)-4-(2-methoxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one

4-(2-methoxybenzylidene)-2-methyloxazol-5(4H)-one

ortho-anisaldehyde

Downstream raw materials:

1-(2-azidoethyl)-4-(2-hydroxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one