CATALYTIC PREPARATION OF THE AMIDOPHENOLS AND THE PHENYLENEDIAMINES. [PDF]
Journal of the American Chemical Society, 1919 n ...
Brown, O. W., Carrick, L. L.
openaire +2 more sources
A facile synthesis of phenazine and quinoxaline derivatives using magnesium sulfate heptahydrate as a catalyst [PDF]
Journal of the Serbian Chemical Society, 2011 Convenient and simple procedures for the synthesis of phenazine and quinoxaline derivatives were developed via a reaction of o-phenylenediamines and 1,2-dicarbonyl compounds.
BAHADOR KARAMI, SAEED KHODABAKHSHI
doaj
Journal of Chemistry, 2013 The present paper introduces a simple and efficient method for the synthesis of substituted benzimidazoles by heterocyclization of different o-phenylenediamines and substituted aromatic carboxylic acid/aldehyde in the presence of zirconyl nitrate as ...
Pratapsinha B. Gorepatil +2 more
doaj +1 more source
, 2022 International audienceQuinoxalin-2-thiones were readily synthesized from o -phenylenediamines, ketones and sulfur. The reactions proceeded under simple and mild conditions with chromatography-free purification and were amenable to large-scale ...
Nguyen, Thanh Binh +4 more
core +1 more source
Simple, mild, and highly efficient synthesis of 2-substituted benzimidazoles and bis-benzimidazoles
Química Nova, 2014 A new convenient method for preparation of 2-substituted benzimidazoles and bis-benzimidazoles is presented. In this method, o-phenylenediamines were condensed with bisulfite adducts of various aldehydes and di-aldehydes under neat conditions by ...
Bilge Eren, Yunus Bekdemir
doaj +1 more source
Research of composition and structure of complex Cd(II) tetrafluoroborates with phenylenediamines
Trudy Odesskogo Politehničeskogo Universiteta, 2016 Borofluoric acid and its various products, for example complex metals tetrafluoroborates, become widely used in electrochemical processes at refinement of metals, when receiving soldering fluxes.
M.V. Shestakova, A.N. Chebotarev
doaj +1 more source
Kaolin-SO3H nanoparticles: A new efficient and reusable catalyst for synthesis of 2-substituted benzimidazoles at room temperature [PDF]
Journal of Nanostructures, 2019 Kaolinite clay found its application in medicine, in toothpaste, in cosmetic and as a food additive. Recently, a specially formulated spray is used in fruit and vegetable production to repel the insects and prevent sunburn. Kaolin-SO3H nanoparticles were
Abdolhamid Bamoniri +2 more
doaj +1 more source
Redox Potential Inversion by Ionic Hydrogen Bonding between Phenylenediamines and Pyridines
, 2020 [[abstract]]In electrochemical oxidations, the second oxidation potential of phenylenediamines (PD) varies because of hydrogen-bonding formation for PD(+center dot) with pyridines.
蘇玉龍 , Su, YO
core +5 more sources
A Fast and Efficient Method for the Synthesis of 1,5-Benzodiazepine Derivatives Under Solvent-Free Conditions [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2007 Silica sulfuric acid is found to catalyze efficiently the condensation of o-phenylenediamines with various linear and cyclic ketones to afford the corresponding 1,5-benzodiazepines in quantitative yields under solvent-free conditions at room ...
Ahmad Shaabani, Ali Maleki
doaj
Electrochemical amination of para-chloroaniline
Учёные записки Казанского университета: Серия Естественные науки, 2019 The process of cation-radical amination of para-chloroaniline using hydroxylamine and the Ti(IV)/Ti(III) mediator system was studied in aqueous solutions of 9–17 M H2SO4.
Yu.A. Lisitsyn
doaj +1 more source