Advances in Analytical Determination Methods and Toxicity and Health Risk Assessment of 6PPD and Its Transformation Products in Food [PDF]
N-(1,3-Dimethylbutyl)-N’-phenyl-p-phenylenediamine (6PPD) is a member of the p-phenylenediamines (PPDs), recognized as a highly effective antioxidant. It has been extensively employed in the automotive tire manufacturing industry, and plays a critical ...
Bolin Liu +5 more
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Metal-catalyzed coupling/carbonylative cyclizations for accessing dibenzodiazepinones: an expedient route to clozapine and other drugs [PDF]
A sequential strategy to access 10,11-dihydro-5H-dibenzo[b,e][1,4]diazepinones (DBDAPs) is disclosed in this article through a palladium and copper-catalyzed amination (Buchwald–Hartwig (B–H) or Chan–Lam (C–L)) followed by a palladium-catalyzed ...
Amina Moutayakine, Anthony J. Burke
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Sustainable Synthesis of 1,2-Disubstituted Benzimidazoles as Promising α-Glucosidase Inhibitors: In Vitro and In Silico Evaluation [PDF]
Background: Inhibiting α-glucosidase and α-amylase is a well-established strategy for managing postprandial hyperglycemia in type 2 diabetes mellitus. However, the adverse effects of current α-glucosidase inhibitors (α-GIs) underscore the need for safer ...
Graziella Tocco +5 more
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Mild and Green Methodology for NIS-Mediated Synthesis of Quinoxalines from o‑Phenylenediamines and Sulfoxonium Ylides at Room Temperature [PDF]
Humaira Parveen +4 more
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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
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Green SDS-assisted synthesis of quinoxaline derivatives in the water [PDF]
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
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Polystyrene-supported pyridinium chloroaluminate ionic liquid as a new heterogeneous Lewis acid catalyst for selective synthesis of benzimidazoles [PDF]
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
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Electrochemical amination of N,N-dimethylaniline
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
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Henna (Lawsonia inermis L.) tattooing has been used in Egypt and India since ancient times. Today this temporary body art is becoming increasingly popular among young people.
Paola A. Moro +5 more
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A novel approach toward the synthesis of some new tridentate Schiff bases from anil-like compounds [PDF]
A novel method was developed for synthesizing a series of new three dentate Schiff base ligands starting from hydroxynaphthalidene pyrimidinyl amines with o-phenylenediamines or o-aminophenol or 2-amino-3-hydroxy-pyri-dine in the presence of ...
Bagheri Fatemeh, Olyaei Abolfazl
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