2715-01-7

Upstream product

• 108-86-1 bromobenzene 
• 400-98-6 4-trifluoromethyl-2-nitroaniline 
• 367-86-2 1-fluoro-2-nitro-4-trifluoromethyl-benzene 
• 62-53-3 aniline 
• 121-17-5 2-chloro-3-nitro-5-trifluoromethylbenzene 

Downstream Products

• 1427-14-1 2-methyl-1-phenyl-5-(trifluoromethyl)-1H-benzo[d]imidazole 
• 1651-43-0 2-amino-N-phenyl-4-(trifluoromethyl)aniline 

Relevant academic research and scientific papers

Ni-Catalyzed Dual C-H Annulation of Benzimidazoles with Alkynes for Synthesis of π-Extended Heteroarenes

Transition metal catalyzed dual C-H activation and annulation with alkynes was an attractive protocol to construct polycyclic π-extended structures. However, most of them were dominated by noble metal catalysts. Disclosed herein was the study of base-metal Ni-catalysis for dual C-H annulation of N-aromatic imidazole, which produced a range of desired polycyclic aza-quinolines in 48-95% yields. The use of bifunctional phosphine oxide ligand proved to be critical for success.

Ionic luminous platinum complex based on benzimidazole phosphine ligand and preparation method of ionic luminous platinum complex

The invention relates to an ionic luminous platinum complex based on a benzimidazole phosphine ligand and a preparation method of the ionic luminous platinum complex, belonging to the technical field of synthesis of organic complexes. The molecular formula of the platinum complex is [C44H31N3PPtS]OTF, [C45H33N3OPPtS]OTF or [C45H30F3N3PPtS]OTF. The ionic luminous platinum complex has strong absorption (wherein epsilon is greater than 5 * 10 L. mol. cm ) at a wavelength of near 230 nm, medium-intensity absorption in a wavelength range of 280-360 nm and low-intensity absorption in a wavelength range of 375-430 nm; the luminous quantum efficiency of the ionic luminous platinum complex in a 293K solution and a solid state is up to 86.6% and 69.1% respectively; and the service life of the ionic luminous platinum complex in the 293K solution and the solid state is up to 6.1 microseconds and 18.9 microseconds respectively. The ionic luminous platinum complex is a high-efficiency OLED photoluminescent material and can be used in the field of preparation of OLED luminescent materials.

Simple NIR complexes and their applicability in dye-sensitized solar cells

Novel nickel(II)benzo-diimino-semiquinonate and palladium(II)benzo-imino- semiquinonate complexes were synthesized, tested regarding their applicability in dye sensitized solar cells, and characterized optically and electrochemically. All the dyes showed a strong absorption in the near infrared region. Various electron-withdrawing substituents were introduced into the complex ligands and evaluated with respect to the effect on the energy level of the frontier molecular orbitals. Energetically suitable complexes were then tested in TiO2 based dye-sensitized solar cells with different iodide-based electrolytes. Two of them exhibited energy conversion abilities suggesting their candidacy as co-sensitizers to known visible light-absorbing dyes in order to extend the spectral window used for light harvesting into the infrared region to increase the total conversion efficiency of the cell.

Polymer-assisted parallel solution phase synthesis of substituted benzimidazoles

A small library of benzimidazoles was prepared using polymer-bound reagents and scavengers. Polymer-assisted reaction of diphenyl diamines with carboxylic acids yielded o-amido-diphenylamines in the presence of Polystyrene-Carbodiimide (PS-Carbodiimide) u