39823-31-9

Usage

Chemical class

Belongs to the class of benzimidazole derivatives

Structure

Consists of two benzimidazole units connected by a benzene ring

Optoelectronic devices

Organic light-emitting diodes (OLEDs) and organic semiconductors

Fluorescent probe

For detecting metal ions

Molecular sensor

For biological and environmental monitoring

Electron-transporting

Facilitates the movement of electrons in optoelectronic devices

Photophysical

Exhibits properties related to the interaction with light, such as absorption and emission of photons

Research focus

Investigated for its potential in the development of new materials for organic electronics and sensing applications

Upstream product

• 99-63-8 benzene-1,3-dicarbonyl dichloride 
• 534-85-0 N-phenyl-1,2-benzenediamine 

Downstream Products

• 1560807-54-6 C₃₂H₂₁IN₄Pt 
• 1560807-58-0 C₃₃H₂₅N₄OPt⁽¹⁺⁾*CF₃O₃S^(1-) 
• 1560807-51-3 C₃₂H₂₁ClN₄Pt 
• 915129-65-6 [Ir(2,6-bis(N-phenyl-benzimidazol-2-yl)phenyl-κC1)Cl2]2 

Relevant academic research and scientific papers

Chemosensing of chloride based on a luminescent platinum(II) NCN pincer complex in aqueous media

The new luminescent platinum(II) pincer complex [Pt(NCN)(S)]TfO (I; NCN = 1,3-bis(2-N-phenylbenzimidazolyl)benzene, S = solvent, and TfO- = triflate anion) was synthesized and studied as a chemosensor for chloride in aqueous media. In 50 vol % aqueous DMF or CH3CN chloride quenches the fluorescence with association constants of 1.2 × 103 and 81 M-1, respectively. On the other hand, in the micellar medium of cetyltrimethylammonium hydrogensulfate at pH 7.0 additions of inorganic anions to I enhance the fluorescence with a pronounced selectivity toward chloride, which shows also much tighter binding to the receptor with association constant 7.9 × 104 M-1 in comparison to that in mixed organic solvents. On basis of 1H NMR titration experiments and the crystal structure of the neutral chloro complex of I the binding mode of chloride is proposed involving the coordination of chloride to the Pt(II) atom with simultaneous formation of intramolecular short C-H···Cl-Pt contacts. The combination of the cyclometalated platinum complex I with a cationic surfactant allows for the detection of chloride in the micromolar concentration range in samples of bottled mineral water.