2,2'-Bi-1H-benzimidazole

Base Information

• Chemical Name: 2,2'-Bi-1H-benzimidazole
• CAS No.: 6965-02-2
• Molecular Formula: C14H10N4
• Molecular Weight: 234.26
• NSC Number: 72699,67061
• DSSTox Substance ID: DTXSID10290152
• Nikkaji Number: J746.767B
• Wikidata: Q82027751
• ChEMBL ID: CHEMBL1429218
• Mol file: 6965-02-2.mol

Synonyms:2,2'-Bi-1H-benzimidazole;6965-02-2;1H,1'H-2,2'-bibenzo[d]imidazole;2-(1H-benzimidazol-2-yl)-1H-benzimidazole;2,2'-Bibenzimidazole;MLS000105517;1H,1'H-2,2'-bibenzimidazole;SMR000102398;SR-01000395344;NSC67061;2,2-Bisbenzimidazolyl;2,2'-Dibenzimidazolyl;1'H-2,2'-bibenzimidazole;Oprea1_442574;Oprea1_763452;YSWG135;SCHEMBL172216;SCHEMBL308465;CHEMBL1429218;SCHEMBL21141590;DTXSID10290152;HMS2393M08;NSC72699;BBL028014;MFCD00047158;NSC-67061;NSC-72699;STK098943;AKOS000677856;PD062258;1H,1'H-(2,2')BIBENZOIMIDAZOLYL;CS-0110432;E73733;2-(1h-benzo[d]imidazol-2-yl)-1h-benzo[d]imidazole;SR-01000395344-1;SR-01000395344-3

Chemical Property of 2,2'-Bi-1H-benzimidazole

Chemical Property:

• Melting Point: >200 °C (decomp)
• Boiling Point: 542.8°Cat760mmHg
• PKA: 10.65±0.10(Predicted)
• Flash Point: 263.3°C
• PSA: 57.36000
• Density: 1.41g/cm³
• LogP: 3.10620
• Storage Temp.: 2-8°C
• XLogP3: 2.7
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 234.090546336
• Heavy Atom Count: 18
• Complexity: 278

Purity/Quality:

97% ^*data from raw suppliers

1H,1'H-2,2'-Bibenzo[d]imidazole 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)NC(=N2)C3=NC4=CC=CC=C4N3

Technology Process of 2,2'-Bi-1H-benzimidazole

There total 11 articles about 2,2'-Bi-1H-benzimidazole 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: 96.0%

quinoxaline-2,3-dione (15804-19-0,6287-20-3) + 1,2-diamino-benzene (95-54-5) → 5,12-dihydroquinoxalino[2,3-b]quinoxaline (531-46-4,55977-58-7) + 2,2'-bi-1H-benzimidazole (6965-02-2)

Guidance literature:

at 240 ℃; for 1h; Further Variations:; Temperatures; Reaction partners; Product distribution; solid-state reaction;

DOI:10.1002/1099-0690(200204)2002:8<1368::AID-EJOC1368>3.0.CO;2-6

Reference yield: 83.0%

3-[α-(2'-N-aminophenylamino)benzylidene]-2-oxo-1,4-dihydroquinoxaline → 5,11-dihydroquinoxalino[2,3-b]quinoxaline (531-46-4) + 2,2'-bi-1H-benzimidazole (6965-02-2)

Guidance literature:

With acetic acid; for 2h; Heating;

DOI:10.1007/BF02283560

Reference yield: 61.0%

oxalic acid (144-62-7,97993-78-7) + 1,2-diamino-benzene (95-54-5) → 5,12-dihydroquinoxalino[2,3-b]quinoxaline (531-46-4,55977-58-7) + 2,2'-bi-1H-benzimidazole (6965-02-2)

Guidance literature:

In diethylene glycol; at 245 ℃; for 3h; Time;

DOI:10.1515/hc-2013-0241

upstream raw materials:

pyridine N-oxide

benzoimidazole

methanol

fuberidazole

Downstream raw materials:

{Cu(bibenzimidazolate)(triphenylphosphine)}

{Cu(bibenzimidazole)(triphenylphosphine)2}BF₄

[Au(C₆F₅)2]2((C₆H₄(N)2C)2)

{(1,1-bis(diphenylphosphino)methane)Au2}(μ-2,2'-bibenzimidazolato)

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