Results 71 to 80 of about 31,731 (271)

Sterisch überfrachtete Alken‐Photo‐Redox‐Schalter auf Basis von Chinolinium/Carben Bausteinen

Angewandte Chemie, EarlyView.
Eine modulare Synthese einer neuen Klasse von Photo‐ und Redox‐Schaltern wird beschrieben, die auf der Kombination von Chinoliniumsalzen und Carbenen basiert. Das photochemische Schalten ermöglicht einen selektiven Wechsel zwischen gefalteten E/Z‐Isomeren, während das elektrochemische Schalten den Wechsel zwischen neutralen, radikalkationischen und ...
Chris Burdenski, Patrick W. Antoni, Marcel E. Baumert, Leonie Ziemann, Samaresh C. Sau, Julian J. Holstein, Maria Castro, Nitin Kumar, Ofer Filiba, Igor Schapiro, Max M. Hansmann   +10 more
wiley   +1 more source

Hydrazone-Based Amphiphilic Brush Polymer for Fast Endocytosis and ROS-Active Drug Release

Due to the high reactivity of reactive oxygen species (ROS), it is essential to sweep them away in time. In this study, ClO–-responsible amphiphilic brush polymers were prepared by free radical polymerization using two monomers consisting of polyethylene
Ruhui Yang (15366532), Yuhan Gao (2563966), Limeng Zhu (12458622), Sicheng Tang (1536586), Shengwu Zheng (15285032), Xingjie Zan (1403275)   +5 more
core   +1 more source

Late‐Stage Functionalization of Peptides on the Solid Phase

Angewandte Chemie International Edition, EarlyView.
Peptide modifications are essential to control pharmacodynamic and pharmacokinetic properties of peptide drugs. Consequently, strategies that allow for efficient and rapid incorporation of non‐canonical modifications into peptides in parallel formats are highly sought after.
Marius Werner, Truc Lam Pham, Franziska Thomas   +2 more
wiley   +1 more source

Hydrazone-oxime Selectively Directed Redox-Neutral [4 + 2] Annulations Cascade with Alkynes and Iodonium Ylides to Build 1,1′-Biisoquinoline Mono‑N‑oxides

Selective C–H activation of a molecule containing multiple directing groups is an important but challenging issue in organic chemistry. Herein, a combined directing group (hydrazone-oxime) selectively directed [4 + 2] annulation cascade to synthesize ...
Jinhua Wang (1506), Shiqing Li (558239), Chaoying Wen (14121487), Yuqin Wang (2382697), Ya-Nan Tian (10148954), Yanyan Yang (412382)   +5 more
core   +1 more source

Síntese de derivados N-acilidrazônicos com potencial atividade antiparasitária [PDF]

, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-Graduação em Química.Uma série de N-{[(5-substituído)-furan-2-il]-metilideno}-piridina-2-carboidrazidas funcionalizadas na posição ...
Raitz, Ismael
core  

Synthesis of Arylsulfonyl Hydrazone Derivatives: Antioxidant Activity, Acetylcholinesterase Inhibition Properties, and Molecular Docking Study

, 2023
In this current paper, fifteen novel sulfonyl hydrazone derivatives have been successfully synthesized and evaluated for antioxidant activity as well as their effects on inhibitory activity toward acetylcholinesterase (AChE).
Halil İbrahim Güler, Zehra Can, Can, Zehra, Kalay, Erbay, Demirci, Yasin, Yasin Demirci, Erbay Kalay, Yakup Kara, Kara, Yakup, Sahin, Engin, Engin Şahin, Guler, Halil Ibrahim   +11 more
core   +1 more source

Synthesis, Crystal Structures, and Catalytic Oxidation Property of Oxidovanadium(V) Complexes with Hydrazone and Hydroxamate Ligands

Acta Chimica Slovenica, 2014
Two new hydrazone ligands were synthesized and characterized by common spectroscopic and analytical methods. Two new oxidovanadium(V) complexes with the hydrazone ligands and hydroxamate ligands were synthesized and characterized by infrared spectra and ...
Kui-Hua Yang
doaj  

Synthesis and Antimicrobial Studies of Coumarin-Substituted Pyrazole Derivatives as Potent Anti-Staphylococcus aureus Agents

Molecules, 2020
In this paper, synthesis and antimicrobial studies of 31 novel coumarin-substituted pyrazole derivatives are reported. Some of these compounds have shown potent activity against methicillin-resistant Staphylococcus aureus (MRSA) with minimum inhibitory ...
Rawan Alnufaie, Hansa Raj KC, Nickolas Alsup, Jedidiah Whitt, Steven Andrew Chambers, David Gilmore, Mohammad A. Alam   +6 more
doaj   +1 more source

A Reversible 900 nm Near‐Infrared Photoswitch for Invisibly Writable 2D and 3D Displays

Angewandte Chemie International Edition, EarlyView.
The peri‐benzo[a]fluoranthenethioindigo (PBFT) photoswitch enables direct excitation with near‐infrared light up to 900 nm wavelengths. It delivers a high‐performance property profile including high‐contrast color changes between bright green and deep blue.
Elias Ciekalski, Henry Dube
wiley   +1 more source

Overcrowded Alkene Photo‐Redox‐Switches Based on Quinolinium/Carbene Building Blocks

Angewandte Chemie International Edition, EarlyView.
A modular synthesis of a new class of photo‐ and redox‐switches is described based on the combination of quinolinium salts and carbenes. Photochemical switching allows to selectively switch between folded E/Z isomers, while electrochemical switching allows to change between neutral, radical cation and dicationic oxidation states, which are all isolable
Chris Burdenski, Patrick W. Antoni, Marcel E. Baumert, Leonie Ziemann, Samaresh C. Sau, Julian J. Holstein, Maria Castro, Nitin Kumar, Ofer Filiba, Igor Schapiro, Max M. Hansmann   +10 more
wiley   +1 more source