Reference of 2-(1H-Benzo[d]imidazol-2-yl)anilineIn 2022, Elgawish, Mohamed Saleh;Nafie, Mohamed S.;Yassen, Asmaa S. A.;Yamada, Koji;Ghareb, Nagat published 《The design and synthesis of potent benzimidazole derivatives via scaffold hybridization and evaluating their antiproliferative and proapoptotic activity against breast and lung cancer cell lines》. 《New Journal of Chemistry》published the findings. The article contains the following contents:
In the current study, a new series of scaffolds – benzimidazo[1,5-a]imidazoles, e.g., I, benzimidazo[1,2-c]thiazole, e.g., II, benzimidazotriazines, e.g., III,, and benzimidazo[1,2-c]quinazolines, e.g., IV – was synthesized via C-H cycloamination, using a metal-free synthetic pathway, as potent antiproliferative antiangiogenic mols. against breast (MCF-7) and lung (A549) cancer cell lines. The expansion of the benzimidazole scaffold with heterocyclic rings resulted in a tridentate cyclic system that occupied the ATP-binding site and neighboring hydrophobic pocket, elicited promising affinity and selectivity toward VEGFR2 through extra H-bonding and completely occupied the entrance region. Mol. docking studies demonstrated that most of the designed compounds bind VEGFR-2 adopting a DFG-in conformation, where the benzimidazole scaffold occupied the hinge region, the central aromatic ring occupied hydrophobic region I adjacent to the hinge region, and the hydrogen bond donor/acceptor bound to the hydrogen-bond-rich region. In comparison to lenvatinib, which had a docking score of -12.47 kJ mol-1 and a Glide E-model value of -132.68 kcal mol-1, compound III had a decent docking score of -8.95 kJ mol-1 and a Glide E-model value of -92.17 kcal mol-1. The designed mols. exhibited promising in situ cytotoxic activities, with IC50 values ranging from 9.2 to 42.3μM against MCF-7 and A549, comparable to 5-fluorouracil (which has IC50 values of 10.32 and 5.8μM against MCF-7 and A549, resp.); they also showed selective in vitro inhibitory activity against VEGFR2 when compared with other designed kinases, with compound III showing an IC50 value (23 nM) as good as that of sorafenib (30 nM). Flow cytometry and cell cycle assays revealed that apoptotic cell death induction occurred in the A549 cell line through the activation of certain caspases and the tumor suppressor P53 and through repressing the generation of BAX and PUMA. Furthermore, the proposed compounds exhibited physicochem. and pharmacokinetics properties within the acceptable range for human usage, as anticipated by an in silico ADME study, making them lead mols. for developing new forms of medication. The experimental procedure involved many compounds, such as 2-(1H-Benzo[d]imidazol-2-yl)aniline (cas: 5805-39-0) .
2-(1H-Benzo[d]imidazol-2-yl)aniline(cas:5805-39-0 Reference of 2-(1H-Benzo[d]imidazol-2-yl)aniline) is a chemical reagent used in the synthesis of small molecule inhibitors targeting ubiquitin-like domains for treatments of diseases caused by the cellular accumulation of damaged proteins.
Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem