Results 51 to 60 of about 54,822,838 (140)
Amberlite IR-120 catalyzed, microwave-assisted rapid synthesis of 2-aryl-benzimidazoles [PDF]
, 2012 An expeditious synthesis of 2-aryl-benzimidazoles by the condensation of o-phenylenediamine with various araldehydes is described. This greener protocol is catalyzed by Amberlite IR-120, and proceeds efficiently in the absence of any organic solvent ...
Mohamed Afzal Pasha +5 more
core +1 more source
Chemistry – A European Journal, Volume 32, Issue 26, 11 July 2026.Monosubstituted N‐arylhydroxylamines represent a unique subclass of hydroxylamines that act as pivotal intermediates in redox transformations and as versatile platforms for further synthetic transformations. They serve as key building blocks in the synthesis of architecturally complex heterocycles and other valuable organic compounds.
Michael G. Kallitsakis +2 more
wiley +1 more source
Reactive Extraction of Oxoethanoic Acid (Glyoxylic Acid) Using Amberlite-LA2 in Different Diluents [PDF]
, 2014 An equilibrium distribution study of oxoethanoic acid (also known as glyoxylic acid, 0.93 kmol.m(-3)) between water and Amberlite-LA2 (0.24 to 1.67 kmol.m(-3)) is carried out at constant temperature, 298 +/- 0.5 K.
Datta, Dipaloy +5 more
core +1 more source
Impregnation and Adsorption of Rare Earth Elements on Amberlite XAD-7 [PDF]
, 2015 Beads were washed then impregnated with an organophosphorous extractant D2EHPA. The washing process, as well as factors in the impregnation process were studied.
Hampton, Bobby G
core +3 more sources
Chemistry &Biodiversity, Volume 23, Issue 7, July 2026.This study evaluates the geographic influence on the chemical and biological profiles of Dysphania ambrosioides collected from Brazilian and Colombian sources. Following extraction, metabolic fingerprinting via HPLC‐MS reveals distinct phytochemical variations between the geographical origins.
Andres Camilo Moreno Abadia +6 more
wiley +1 more source
Chemo selective one-pot synthesis of 2-aryl-1-arylmethyl-1H-benzimidazoles using Amberlite IR-120 [PDF]
, 2015 A simple, efficient and eco-friendly one pot synthesis method has been developed for ultrasound induced synthesis of biologically significant 2-aryl-1-arylmethyl-1H-benzimidazoles in EtOH/H2O solvent mixture using Amberlite IR-120.
Park, Se Won +2 more
core +1 more source
, 2021 This paper investigates the removal of the antiparkinsonism drug levodopa from aqueous solutions utilizing weakly basic Amberlite resins. In the first step of experimental investigation, the adsorption equilibration time (0-24 h) was determined.
Yalcin, Ozge +2 more
core +1 more source
, 2019 Mandelic acid (MA) an a hydroxycarboxylic acid found in bitter almonds. It has gained importance in recent years, especially due to its use in the cosmetic industry.
Barış Kiriş +3 more
core +1 more source
Distribution of Penicillin G from the Aqueous Phase to the Organic Phase Using Amberlite LA-2 Extractant in Different Diluents [PDF]
, 2014 Benzyl penicillin, known as penicillin G (PG), is a beta-lactam antibiotic and also a weak monocarboxylic acid. The penicillin G extraction from aqueous solution by Amberlite LA-2 in different diluents, that is, octan-1-ol, nonan-1-ol, 3-methyl-1-butanol,
Kirbaslar, S. Ismail +3 more
core +1 more source
Extraction of Cherryâs Anthocyanin using Amberlite XAD-7 Resin [PDF]
, 2013 Anthocyanin is known as natural pigments of fruits. These pigments are among the best natural pigments to be used in food industry. In this study, the method for extraction of cherryâs pigment (Anthocyanin) using an Amberlite XAD-7 resin is discussed ...
Mansour Jahangiri +3 more
core +1 more source