1H-Benzimidazol-2-amine,1-ethenyl-(9CI)

Base Information

• Chemical Name: 1H-Benzimidazol-2-amine,1-ethenyl-(9CI)
• CAS No.: 77416-92-3
• Molecular Formula: C₉H₉N₃
• Molecular Weight: 159.191
• Hs Code.: 2933990090
• Mol file: 77416-92-3.mol

Synonyms:1-Vinyl-2-aminobenzimidazole

Chemical Property of 1H-Benzimidazol-2-amine,1-ethenyl-(9CI)

Chemical Property:

• PSA: 43.84000
• LogP: 2.30020

Purity/Quality:

1-ethenyl-1H-Benzimidazol-2-amine 97.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1H-Benzimidazol-2-amine,1-ethenyl-(9CI)

There total 2 articles about 1H-Benzimidazol-2-amine,1-ethenyl-(9CI) 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: 12.0%

1H-benzimidazol-2-amine (934-32-7) + acetylene (74-86-2,25067-58-7) → 2-amino-1-vinylbenzimidazole (77416-92-3) + 1,3-divinyl-2-iminobenzimidazole (139294-59-0)

Guidance literature:

With copper(l) chloride; In 1,4-dioxane; at 180 ℃; for 2h; under 9880 - 11400 Torr;

DOI:10.1007/BF00863093

Reference yield:

1H-benzimidazol-2-amine (934-32-7) + acetylene (74-86-2,25067-58-7) → 2-amino-1-vinylbenzimidazole (77416-92-3) + 1,3-divinyl-1,3-dihydro-2H-benzo[d]imidazol-2-one (6648-13-1)

Guidance literature:

With cadmium(II) acetate; In 1,4-dioxane; at 180 ℃; for 2h; under 9880 - 11400 Torr; Yield given. Yields of byproduct given;

DOI:10.1007/BF00863093

Reference yield: 90.0%

2-amino-1-vinylbenzimidazole (77416-92-3) → 2-amino-1-ethyl-1H-benzimidazole (1622-58-8)

Guidance literature:

With hydrogen; nickel; In ethanol; at 50 - 55 ℃; for 24h; under 22800 Torr;

DOI:10.1007/bf02494645

upstream raw materials:

1H-benzimidazol-2-amine

acetylene

Downstream raw materials:

2-amino-1-ethyl-1H-benzimidazole

Refernces