Results 11 to 20 of about 29,837 (275)

Efficient preparation of graphene oxide-immobilized copper complex and its catalytic performance in the synthesis of imidazoles

open access: yesFrontiers in Chemistry, 2023
This paper focused on the synthesis of phenylthiocarbamide-grafted graphene oxide (GO)-supported Cu complex (Cu-PTC@GO) as a highly efficient and recyclable catalyst synthesis by various analytical techniques such as TG, FT-IR, XRD, BET, N2 adsorption ...
Shahram Heidari   +2 more
doaj   +1 more source

α-Chymotrypsin-catalyzed synthesis of 2-substituted benzimidazole through retro-Claisen reaction

open access: yesGreen Chemistry Letters and Reviews, 2018
Benzimidazoles are important components of pharmaceutical compounds owing to their promising bioactivities. The green, safe, and efficient synthesis of benzimidazoles has always been one of the hot topics for chemical workers.
Lian-Sheng Liu   +5 more
doaj   +1 more source

PHARMACOKINETIC PROPERTIES OF A NEW KAPPA-OPIOID ANALGESIC RU-1205 COMPOUND AT A SINGLE PERORAL ADMINISTRATION

open access: yesФармация и фармакология (Пятигорск), 2021
The aim of the study is the investigation of the pharmacokinetic properties of the RU-1205 compound, with previously identified kappa-agonistic and analgesic effects, at a single oral administration, as well as comparison of the relationship between its ...
A. A. Spasov   +8 more
doaj   +1 more source

Facile, novel two-step syntheses of benzimidazoles, bis-benzimidazoles, and bis-benzimidazole-dihydroquinoxalines [PDF]

open access: yesMolecular Diversity, 2012
Three scaffolds of benzimidazoles, bis-benzimidazoles, and bis-benzimidazole-dihydroquinoxalines were synthesized via Ugi/de-protection/cyclization methodology. Benzimidazole forming ring closure was enabled under microwave irradiation in the presence of 10% TFA/DCE.
Zhigang, Xu   +5 more
openaire   +2 more sources

Novel Biologically Active N-Substituted Benzimidazole Derived Schiff Bases: Design, Synthesis, and Biological Evaluation

open access: yesMolecules, 2023
Herein, we present the design and synthesis of novel N-substituted benzimidazole-derived Schiff bases, and the evaluation of their antiviral, antibacterial, and antiproliferative activity.
Anja Beč   +6 more
doaj   +1 more source

In Vitro Study of Benzimidazole Derivatives, Tetrahydropyrimidines and Macrocyclic Lactones Therapeutic Efficacy in Dog Hookworms

open access: yesBulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Veterinary Medicine, 2018
The study was conducted using faecal samples from 62 dogs. We tested the ovicidal and larvicidal effects of albendazole (ABZ), mebendazole (MBZ), fenbendazole (FBZ) and flubendazole (FLU) by Egg hatch assay (EHA) and larval development assay (LDA).
Laura CĂTANĂ   +4 more
doaj   +1 more source

Synthesis and biological evaluation of 5-substituted derivatives of benzimidazole [PDF]

open access: yesJournal of the Serbian Chemical Society, 2014
Series of eight novel 5-substituted derivatives of benzimidazole were synthesized by condensation of corresponding diamine with ethyl-4-[4-(2-chlorophenyl)piperazin-1-yl] butanoate in refluxing 4N hydrochloric acid.
Vasić Vesna P.   +5 more
doaj   +1 more source

Activity of benzimidazoles against Dientamoeba fragilis (Trichomonadida, Monocercomonadidae) in vitro and correlation of beta-tubulin sequences as an indicator of resistance

open access: yesParasite, 2014
Recently, Dientamoeba fragilis has emerged as a significant and common enteropathogen. The majority of patients with dientamoebiasis present with gastrointestinal complaints and chronic symptoms are common. Numerous studies have successfully demonstrated
Stark Damien   +5 more
doaj   +1 more source

New highlights of the syntheses of pyrrolo[1,2-a]quinoxalin-4-ones

open access: yesBeilstein Journal of Organic Chemistry, 2014
The one-pot three-component reactions of 1-substituted benzimidazoles with ethyl bromoacetate and electron-deficient alkynes, in 1,2-epoxybutane, gave a variety of pyrrolo[1,2-a]quinoxalin-4-ones and pyrrolo[1,2-a]benzimidazoles.
Emilian Georgescu   +6 more
doaj   +1 more source

Design, Synthesis, Biological Evaluation, and Molecular Modeling of 2-Difluoromethylbenzimidazole Derivatives as Potential PI3Kα Inhibitors

open access: yesMolecules, 2022
PI3Kα is one of the potential targets for novel anticancer drugs. In this study, a series of 2-difluoromethylbenzimidazole derivatives were studied based on the combination of molecular modeling techniques 3D-QSAR, molecular docking, and molecular ...
Xiangcong Wang   +6 more
doaj   +1 more source

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