ethyl 4-[4-{(1H-benzimidazol-2-yl)methyl}piperazin-1-yl]benzoate

Base Information

• Chemical Name: ethyl 4-[4-{(1H-benzimidazol-2-yl)methyl}piperazin-1-yl]benzoate
• CAS No.: 882531-32-0
• Molecular Formula: C₂₁H₂₄N₄O₂
• Molecular Weight: 364.447
• Mol file: 882531-32-0.mol

Synonyms:ethyl 4-[4-{(1H-benzimidazol-2-yl)methyl}piperazin-1-yl]benzoate

Chemical Property of ethyl 4-[4-{(1H-benzimidazol-2-yl)methyl}piperazin-1-yl]benzoate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of ethyl 4-[4-{(1H-benzimidazol-2-yl)methyl}piperazin-1-yl]benzoate

There total 2 articles about ethyl 4-[4-{(1H-benzimidazol-2-yl)methyl}piperazin-1-yl]benzoate 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: 70.0%

2-chloromethyl-1H-benzimidazole (4857-04-9) + ethyl 4-(piperazin-1-yl)benzoate (80518-57-6) → ethyl 4-[4-{(1H-benzimidazol-2-yl)methyl}piperazin-1-yl]benzoate (882531-32-0)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; acetone; at 20 ℃; for 25h;

DOI:10.1016/j.bmc.2005.10.060

Reference yield:

4-fluorobenzoic acid ethyl ester (451-46-7) → ethyl 4-[4-{(1H-benzimidazol-2-yl)methyl}piperazin-1-yl]benzoate (882531-32-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 94 percent / dimethylsulfoxide / 20 h / 120 °C

2: 70 percent / K₂CO₃ / dimethylformamide; acetone / 25 h / 20 °C

With potassium carbonate; In dimethyl sulfoxide; N,N-dimethyl-formamide; acetone;

DOI:10.1016/j.bmc.2005.10.060

Reference yield: 39.0%

ethyl 4-[4-{(1H-benzimidazol-2-yl)methyl}piperazin-1-yl]benzoate (882531-32-0) → 4-[4-{(1H-benzimidazol-2-yl)methyl}piperazin-1-yl]benzoic acid (882531-33-1)

Guidance literature:

With sodium hydroxide; In tetrahydrofuran; methanol; water; at 40 ℃; for 5h;

DOI:10.1016/j.bmc.2005.10.060

upstream raw materials:

2-chloromethyl-1H-benzimidazole

ethyl 4-(piperazin-1-yl)benzoate

4-fluorobenzoic acid ethyl ester

Downstream raw materials:

4-[4-{(1H-benzimidazol-2-yl)methyl}piperazin-1-yl]benzoic acid

tert-butyl (2S)-benzenesulfonylamino-3-[4-{4-(1H-benzimidazol-2-yl)methylpiperazin-1-yl}benzoylamino]propionate