Results 21 to 30 of about 24,479 (307)
Mild and Green Methodology for NIS-Mediated Synthesis of Quinoxalines from o‑Phenylenediamines and Sulfoxonium Ylides at Room Temperature [PDF]
ACS OmegaHumaira Parveen +4 more
doaj +2 more sources
Alkylated Trimethylene-Bridged Bis(p-Phenylenediamines)
, 2016 Alkylated Trimethylene-Bridged Bis(p ...
Kevin P. Schultz (2375455) +5 more
core +4 more sources
Green Synthesis and Catalysis, 2022 A protecting-group-free enantioselective tandem allylic substitution of o-phenylenediamines and o-aminophenols is realized for the first time with a Pd-WingPhos catalyst, providing expedient access to a series of chiral vinyl-substituted heterocycles in ...
Xuehua Kang +5 more
doaj +1 more source
Environmental Research, 2022 Wearing of vehicle parts could release many chemical additives into the environment, such as benzotriazoles (BTRs), benzothiazoles (BTHs), and p-phenylenediamines (PPDs), which are potentially toxic to wildlife and humans.
Ruiling Zhang +9 more
semanticscholar +1 more source
Organic Letters, 2023 The oxidative amination of alkynes typically requires transition metal catalysts and strong oxidants. Herein, we alternatively utilize DABCO as a sulfur-activating catalyst to achieve the sulfurative 1,2-diamination of phenylacetylenes with elemental ...
Thi Minh Chau Tran +6 more
semanticscholar +1 more source
Green SDS-assisted synthesis of quinoxaline derivatives in the water [PDF]
شیمی کاربردی روز, 2016 A simple, practical and convenient procedure for the synthesis of quinoxaline derivatives has been developed by reaction of 1,2-phenylenediamines with 1,2-diketones in the presence of sodium dodecyl sulfate (SDS) in the aqueous medium at room temperature
Elham Ghobadi +2 more
doaj +1 more source
ChemistryOpen, 2023 Oxidative condensation of three p‐phenylenediamines with 3‐hydroxy‐2‐methyl‐N‐(phenylamino)benzene gives new coloured aposafranones. 2‐Methylresorcinol is easy to convert into the asymmetric building block 3‐hydroxy‐2‐methyl‐N‐(phenylamino)benzene with ...
Dr. M. John Plater +1 more
doaj +1 more source
Polystyrene-supported pyridinium chloroaluminate ionic liquid as a new heterogeneous Lewis acid catalyst for selective synthesis of benzimidazoles [PDF]
Journal of the Serbian Chemical Society, 2013 Polystyrene-supported pyridinium chloroaluminate ionic liquid was prepared from the reaction of Merrifield resin with pyridine followed by reaction with aluminium chloride.
Parvanak Boroujeni Kaveh +2 more
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.
Марина Володимирівна Шестакова +1 more
doaj +7 more sources
Electrochemical amination of N,N-dimethylaniline
Учёные записки Казанского университета: Серия Естественные науки, 2021 The process of indirect cathodic amination of N,N-dimethylaniline using the Ti(IV) – NH2OH system was studied in aqueous solutions of 7–16 M sulfuric acid at 40 ?C.
Yu.A. Lisitsyn
doaj +1 more source