Results 61 to 70 of about 17,199 (170)

Crystal structure of ethyl 2-(1H-benzimidazol-2-yl)-2-[2-(4-nitrophenyl)hydrazinylidene]acetate

Acta Crystallographica Section E: Crystallographic Communications, 2015
The title compound, C17H15N5O4, was obtained via the condensation of 3-ethoxy-2-[2-(4-nitrophenyl)hydrazono]-3-oxopropanoic acid with 1,2-diaminobenzene.
Mohamed Loughzail, Abdesselam Baouid, Lahcen El Ammari, Mohamed Saadi, Moha Berraho   +4 more
doaj   +1 more source

Iron Catalysts with Silyl‐NHC Chelate Ligands: Controlling Factors for Hydroboration vs. Dehydrogenative Borylation of Olefins

Chemistry – An Asian Journal, EarlyView.
Silyl‐NHC chelate iron complexes with various substituents on NHC were synthesized and demonstrated to be active catalysts for hydroboration and dehydrogenative borylation of olefins. The selectivity of these borylation reactions is significantly controlled by the steric bulk of a substituent on the NHC nitrogen.
Nozomu Ishiwata, Takashi Komuro, Kasumi Takahashi, Yasuaki Zenzai, Hiromi Tobita, Hisako Hashimoto   +5 more
wiley   +1 more source

Crystal structure of 1-[(2,2-dimethyl-1,3-dioxolan-4-yl)methyl]-2-(thiazol-4-yl)-1H-benzimidazole

Acta Crystallographica Section E: Crystallographic Communications, 2015
The benzimidazole ring in the title compound, C16H17N3O2S, is almost planar, with the greatest deviation from the mean plane being 0.032 (1) Å. The fused-ring system makes dihedral angles of 19.91 (7) and 24.51 (8)° with the best plane through each of ...
Hicham Gueddar, Rachid Bouhfid, El Mokhtar Essassi, Mohamed Saadi, Lahcen El Ammari   +4 more
doaj   +1 more source

Mechanistic evaluations of photocatalytic access to N‐centered radicals and nitrenoids

Bulletin of the Korean Chemical Society, EarlyView.
Recently, the photocatalytic formation of reactive N‐centered radicals or nitrenes from prefunctionalized amine precursors via single‐electron transfer (SET) or triplet–triplet energy transfer (TTEnT) has been significantly developed. However, the detailed electron flow during N–X bond cleavage leading to these intermediates remains unclear. Herein, we
Hoimin Jung, Jeonguk Kweon, Sukbok Chang
wiley   +1 more source

Gold-catalyzed oxidation of arylallenes: Synthesis of quinoxalines and benzimidazoles

Beilstein Journal of Organic Chemistry, 2011
A gold-catalyzed oxidation of arylallenes to form α-diketones and aldehydes in good yields is presented. Further directed synthesis of quinoxalines and benzimidazoles, via the condensation of the resulting α-diketones and aldehydes with benzene-1,2 ...
Dong-Mei Cui, Dan-Wen Zhuang, Ying Chen, Chen Zhang   +3 more
doaj   +1 more source

Synthesis and Biological Evaluation of Novel Benzimidazole Derivatives and Analogs Targeting the NLRP3 Inflammasome

Molecules, 2017
A series of benzo[d]imidazole analogues of thiabenzole were synthesized and their antiinflammatory activities toward NLRP3 (nucleotide‐binding domain leucine‐rich repeat containing protein family，pyrin domain‐containing 3，also known as cryopyrin or NALP3)
Liangkun Pan, Nan Hang, Chao Zhang, Yu Chen, Shuchun Li, Yang Sun, Zhongjun Li, Xiangbao Meng   +7 more
doaj   +1 more source

Sustainable One‐Pot Synthesis of N‐Substituted Pyrroles Using a Multifunctional Cobalt‐Based Catalyst

ChemCatChem, EarlyView.
The one‐pot synthesis of N‐substituted pyrroles from nitrobenzene and 2,5‐hexanodione is first ever reported with >99% conversion and >99% chemoselectivity, in a green solvent, using a non‐noble metal‐based catalyst and hydrogen as a reductant under mild reaction conditions simultaneously.
Jose Luis del Río‐Rodríguez, Arisbeth Tiscareño‐Ferrer, Silvia Gutiérrez‐Tarriño, Pascual Oña‐Burgos   +3 more
wiley   +1 more source

trans-Bis{2-[bis(1H-pyrazol-1-yl)methyl]-1-methyl-1H-benzimidazole}iron(II) bis(perchlorate) acetonitrile disolvate

IUCrData, 2019
In the structure of the title complex, [Fe(C15H14N6)2](ClO4)2·2C2H3N, the asymmetric unit contains one complete ligand molecule, one perchlorate and one acetonitrile solvent molecule.
Akhilesh Kumar, Md. Serajul Haque Faizi, Saleem Javed, Nazia Siddiqui, Turganbay Iskenderov   +4 more
doaj   +1 more source

Covalent Organic Framework‐Based Solid‐State Electrolyte: Regulable Structure Promoting Lithium‐Ion Transfer

ChemElectroChem, EarlyView.
This review encapsulates the cutting‐edge research progress of covalent organic framework (COF)‐based electrolytes. The ingenious design of COFs, the meticulous regulation of crystalline structures, and strategic pore decorations are highlighted, which all chart new courses for innovative design strategies for advanced solid‐state electrolytes.
Shujing Liu, Miao Xu, Xing Chen
wiley   +1 more source

Ethyl 2-(4-methoxyphenyl)-1-methyl-1H-benzimidazole-5-carboxylate

IUCrData, 2017
In the title benzimidazole derivative, C18H18N2O3, the methoxyphenyl ring is twisted with respect to the benzimidazole ring system, making a dihedral angle of 28.81 (5)°. The pendant ethyl chain has an extended conformation.
S. Naveen, Vasantha Kumar, Boja Poojary, Naveen Kumar, Nora Jarrar, N. K. Lokanath, Ismail Warad   +6 more
doaj   +1 more source