A mild and scalable one-pot synthesis of N-substituted 2-aminobenzimidazoles via visible light mediated cyclodesulfurization [PDF]
Scientific ReportsA visible light mediated photocatalyst-free synthesis of N-substituted 2-aminobenzimidazoles directly from o-phenylenediamines and isothiocyanates is developed in a one-pot fashion.
Tanawat Rerkrachaneekorn +4 more
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Heterocyclic Synthesis of Crowded Aposafranones: Structure of 1‐Methyl‐8‐dimethylamino‐10‐phenylphenazin‐2‐(10H)one and Related Compounds [PDF]
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
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Structural and Quantitative Analysis of Polyfluoroalkyl Substances (PFASs) and Para-Phenylenediamines (PPDs) by Direct Analysis in Real Time Ion Mobility Mass Spectrometry (DART-IM-MS) [PDF]
MoleculesPolyfluoroalkyl substances (PFASs) and para-phenylenediamines (PPDs) are emerging classes of anthropogenic contaminants that are environmentally persistent (most often found in ground and surface water sources), bioaccumulative, and harmful to human ...
Calum Bochenek +3 more
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Oxidative stress generated DNA damage by 6PPD and other tyre additives in A549 human lung epithelial cells [PDF]
Scientific ReportsTyre additives such as p-phenylenediamines (PPDs) and benzothiazoles (BTs) are ubiquitous in the environment. They have been frequently detected in urban air and have been detected in the human body.
Samuel Hyman +10 more
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Network Toxicology and Molecular Docking to Elucidate the Mechanisms of Intestinal Toxicity Induced by P-Phenylenediamine Antioxidants and Their Quinone Derivatives [PDF]
ToxicsP-phenylenediamines (PPDs) and their quinone derivatives (PPDQs), emerging pollutants widespread in urban environments, exhibit biotoxicological risks.
Hui Zou +4 more
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Advances in Analytical Determination Methods and Toxicity and Health Risk Assessment of 6PPD and Its Transformation Products in Food [PDF]
ToxicsN-(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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Sustainable Synthesis of 1,2-Disubstituted Benzimidazoles as Promising α-Glucosidase Inhibitors: In Vitro and In Silico Evaluation [PDF]
PharmaceuticalsBackground: 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]
ACS OmegaHumaira Parveen +4 more
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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
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