Results 21 to 30 of about 24,726 (277)

Screening of Carbamate and Organophosphate Pesticides in Food Matrices Using an Affordable and Simple Spectrophotometric Acetylcholinesterase Assay

Applied Sciences, 2020
Carbamates (CMs) and organophosphates (OPs) are widely used pesticides with known neurotoxicity arising from the inhibition of acetylcholinesterase (AChE).
Aristeidis S. Tsagkaris, Leos Uttl, Jana Pulkrabova, Jana Hajslova   +3 more
doaj   +1 more source

An Update of Transition Metal-Catalyzed Decarboxylative Transformations of Cyclic Carbonates and Carbamates

Molecules, 2019
Functionalized cyclic organic carbonates and carbamates are frequently used in a number of transition metal-catalyzed decarboxylative reactions for the construction of interesting molecules.
Linhong Zuo, Teng Liu, Xiaowei Chang, Wusheng Guo   +3 more
doaj   +1 more source

One-Pot Electrooxidative Allylation of Carbamates in the Presence of HBF4 and H2O

Electrochemistry
The one-pot electrooxidative allylation of carbamates was successfully demonstrated in the presence of HBF4 and H2O. Anodic oxidation of carbamates generated the corresponding α-hydroxylated intermediates in the presence of H2O.
Haruka HOMMA, Aika MOCHIZUKI, Kaori MIYAKOSHI, Natsumi HONJO, Misaki AKETO, Kohei FUNATSU, Toshiki TAJIMA   +6 more
doaj   +1 more source

The Experimental Oxime K027—A Promising Protector From Organophosphate Pesticide Poisoning. A Review Comparing K027, K048, Pralidoxime, and Obidoxime

Frontiers in Neuroscience, 2019
Poisoning with organophosphorus compounds (OPCs) is a major problem worldwide. Standard therapy with atropine and established oxime-type enzyme reactivators (pralidoxime, obidoxime) is unsatisfactory.
Dietrich E. Lorke, Dietrich E. Lorke, Georg A. Petroianu   +2 more
doaj   +1 more source

Synthesis and characterization of polysaccharide carbamates and mixed carbamates with tunable water solubility

Carbohydrate Polymer Technologies and Applications
Polysaccharide derivatives with two types of functionalities were synthesized; reactive groups for click-chemistry approaches and groups that can tune the water solubility of the products.
Martin Gericke, Zakaria Atmani, Lennart Hendrik Skodda, Thomas Heinze   +3 more
doaj   +1 more source

Transition Metal-Free Synthesis of Halobenzo[b]furans from O-Aryl Carbamates via o-Lithiation Reactions

Molecules, 2022
A straightforward and transition metal-free one-pot protocol to synthesize halobenzo[b]furans has been developed employing simple and easily available starting materials such as O-aryl carbamates and alkynylsulfones.
Claudia Feberero, Cintia Virumbrales, Carlos Sedano, Lorena Renedo, Samuel Suárez-Pantiga, Roberto Sanz   +5 more
doaj   +1 more source

Hydrogen‐Bond‐Rich Supramolecular Multiblock Copolymers Facilitate Rapid Zn2+ Migration in Quasi‐Solid‐State Zinc‐Ion Batteries

Advanced Functional Materials, EarlyView.
The disordered growth of dendrites, corrosion, parasitic side reactions, slow de‐solvation kinetics, and inherent safety risks significantly hinder the practical deployment of conventional liquid electrolyte zinc‐ion batteries. In contrast, the novel PU‐EG+DMPA‐Zn polyurethane quasi‐solid‐state electrolyte, enriched with abundant polar functional ...
Ruiqi Liu, Changding Wang, Fu Wan, Kaida Hu, Da Yang, Yaoyang Xia, Wenwei Yin, Yupeng Lin, Yuejiao Chen, Shuhui Sun, Weigen Chen   +10 more
wiley   +1 more source

Crystal structure of 2-oxo-2-phenylethyl diisopropylcarbamate

Acta Crystallographica Section E: Crystallographic Communications, 2021
In the molecular structure of the title compound, C15H21NO3, the urethane function and the benzoyl group are almost perpendicular to each other [dihedral angle 88.97 (5)°].
Viktor Martens, Helmar Görls, Wolfgang Imhof   +2 more
doaj   +1 more source

Electrosynthesis of Bioactive Chemicals, From Ions to Pharmaceuticals

Advanced Functional Materials, EarlyView.
This review discusses recent advances in electrosynthesis for biomedical and pharmaceutical applications. It covers key electrochemical materials enabling precise delivery of ions and small molecules for cellular modulation and disease treatment, alongside catalytic systems for pharmaceutical synthesis.
Gwangbin Lee, Sojin Kim, Myeongeun Lee, Kyoungsuk Jin, Jimin Park   +4 more
wiley   +1 more source

Select small core structure carbamates exhibit high contact toxicity to "carbamate-resistant" strain malaria mosquitoes, Anopheles gambiae (Akron). [PDF]

PLoS ONE, 2012
Acetylcholinesterase (AChE) is a proven target for control of the malaria mosquito (Anopheles gambiae). Unfortunately, a single amino acid mutation (G119S) in An. gambiae AChE-1 (AgAChE) confers resistance to the AChE inhibitors currently approved by the
Dawn M Wong, Jianyong Li, Qiao-Hong Chen, Qian Han, James M Mutunga, Ania Wysinski, Troy D Anderson, Haizhen Ding, Tiffany L Carpenetti, Astha Verma, Rafique Islam, Sally L Paulson, Polo C-H Lam, Maxim Totrov, Jeffrey R Bloomquist, Paul R Carlier   +15 more
doaj   +1 more source