1,3-Dihydro-4-hydroxy-6-nitro-2H-benzimidazol-2-one

Base Information

• Chemical Name: 1,3-Dihydro-4-hydroxy-6-nitro-2H-benzimidazol-2-one
• CAS No.: 64236-24-4
• Molecular Formula: C₇H₅N₃O₄
• Molecular Weight: 195.134
• DSSTox Substance ID: DTXSID00214448
• Wikidata: Q83090291
• Mol file: 64236-24-4.mol

Synonyms:64236-24-4;1,3-Dihydro-4-hydroxy-6-nitro-2H-benzimidazol-2-one;2H-Benzimidazol-2-one, 1,3-dihydro-4-hydroxy-6-nitro-;DTXSID00214448

Chemical Property of 1,3-Dihydro-4-hydroxy-6-nitro-2H-benzimidazol-2-one

Chemical Property:

• Vapor Pressure: 0.036mmHg at 25°C
• Boiling Point: 233.7°C at 760 mmHg
• Flash Point: 95.2°C
• Density: 1.662g/cm³
• XLogP3: 0
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 195.02800565
• Heavy Atom Count: 14
• Complexity: 277

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=C(C=C(C2=C1NC(=O)N2)O)[N+](=O)[O-]

Technology Process of 1,3-Dihydro-4-hydroxy-6-nitro-2H-benzimidazol-2-one

There total 2 articles about 1,3-Dihydro-4-hydroxy-6-nitro-2H-benzimidazol-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:

4-methoxy-6-nitro-1,3-dihydro-benzimidazol-2-one (101420-70-6) → 4-hydroxy-6-nitro-1,3-dihydro-benzimidazol-2-one (64236-24-4)

Guidance literature:

With hydrogen bromide; acetic acid;

DOI:10.1021/ja01592a027

Reference yield:

3-methoxy-5-nitro-o-phenylenediamine; hydrochloride → 4-hydroxy-6-nitro-1,3-dihydro-benzimidazol-2-one (64236-24-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 180 °C

2: aqueous HBr; acetic acid

With hydrogen bromide; acetic acid;

DOI:10.1021/ja01592a027

upstream raw materials:

4-methoxy-6-nitro-1,3-dihydro-benzimidazol-2-one