Results 71 to 80 of about 2,174 (182)

Dialkyl dicyanofumarates and dicyanomaleates as versatile building blocks for synthetic organic chemistry and mechanistic studies

Beilstein Journal of Organic Chemistry, 2017
The scope of applications of dialkyl dicyanofumarates and maleates as highly functionalized electron-deficient dipolarophiles, dienophiles and Michael acceptors is summarized.
Grzegorz Mlostoń, Heinz Heimgartner
doaj   +1 more source

Selective activity of diselenides against Aedes aegypti (Diptera: Culicidae) larvae

Revista da Sociedade Brasileira de Medicina Tropical, 2020
INTRODUCTION: Aedes aegypti (L.) is the major vector of arboviruses that causes serious public health concerns in tropical and subtropical countries.
Sabrina Ketrin Targanski, Janaina Rosa Sousa, André Luiz Agnes Stein, Marcos Antônio Soares   +3 more
doaj   +1 more source

Reversible Cystine Disulfide Scaffolding Enables Carbonyl Sulfide‐Mediated Intramolecular Peptide Bond Formation via Cyclocystine: Implications for Prebiotic Chemistry

Chemistry – A European Journal, EarlyView.
Cystine is unique among amino acids, in that the disulfide bond can allow intramolecular peptide bond formation. This cyclization offers potential advantages for intramolecular coupling selectivity in prebiotic peptide formation. ABSTRACT Treatment of cystine (the disulfide‐linked dimer of cysteine) with carbonyl sulfide (COS) results in the formation ...
Avinash Vicholous Dass, Arthur Srayeddin, Anthony Rullo, Jonathan Stone, Maikel Rheinstadter, Paul Harrison   +5 more
wiley   +1 more source

Low‐Dimensional Materials and Van Der Waals Heterostructures for Energy Application: A Comprehensive Review

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Low‐dimensional materials (0D, 1D, and 2D) exhibit unique electronic and physicochemical properties, enabling advanced nanoelectronic and optoelectronic devices. Mixed‐dimensional heterostructures combine these materials to enhance functionality.
Qaisar Alam, Sajjad Ali, Pir Muhammad Ismail, ABM Sharif Hossain   +3 more
wiley   +1 more source

Highly efficient route to diselenides from the reactions of imines and selenium in the presence of carbon monoxide and water

, 2005
Reactions of selenium with imines ((RRC)-C-1=NR2) of aldehydes and ketones in the presence of carbon monoxide, water and triethylamine lead to reductive selenation, on aerobic work-up, to afford symmetrical diselenides ((RRCHSe)-C-1)(2) in good to ...
Chen, JZ, Zheng, ZY, Wu, SZ, Zhao, XD, Yu, ZK, Zeng, FL, Xiao, WJ, Wu, XW, 余正坤   +8 more
core   +1 more source

Crucial Role of Selenium in the Virucidal Activity of Benzisoselenazol-3(2H)-ones and Related Diselenides

Molecules, 2010
Various N-substituted benzisoselenazol-3(2H)-ones and their non-selenium-containing analogues have been synthesized and tested against selected viruses (HHV-1, EMCV and VSV) to determine the extent to which selenium plays a role in antiviral activity ...
Jacek Mlochowski, Magdalena Pietka-Ottlik, Piotr Potaczek, Egbert Piasecki   +3 more
doaj   +1 more source

Nanophotonic Biosensors and the Paradigm of Trans‐Scale Autonomous Bio‐Integrated Diagnostics for Addressing Health Complexities

Electron, EarlyView.
Physics‐driven advances in optical nanobiosensors for rapid, miniaturized, and point‐of‐care diagnostics for next‐generation decentralized and personalized healthcare based on sensor intelligence. ABSTRACT Public health emergencies and the escalating burden of chronic diseases necessitate a paradigm shift from centralized laboratory testing to rapid ...
Vishal Chaudhary, Harsh Sable, Sonu Sonu, Lakshita Phor, Reddicherla Umapathi, Pradeep Bhadola   +5 more
wiley   +1 more source

Ferroelectric modulated visual devices with spatial and temporal polarization‐sensitivity for information recognition and processing in visibility‐degraded environments

InfoMat, EarlyView.
Conventional imaging systems often struggle to recognize objects accurately in challenging environments such as underwater or foggy scenes. We developed a polarization‐sensitive artificial vision device inspired by the mantis shrimp that uses advanced two‐dimensional materials and a ferroelectric layer to directly sense, process, and retain visual ...
Zhaoying Dang, Yifei Zhao, Feng Guo, Tao Yu, Hengrui Guo, Jialin Li, Qilong Cui, Qing Li, Jianhua Hao   +8 more
wiley   +1 more source

Biological Effects of Selenium‐Containing Ionic Liquids: Cytotoxicity, Mercury Interaction, and Antiproliferative Activity in Glioblastoma Cells

Journal of Applied Toxicology, EarlyView.
ABSTRACT Selenium (Se) is an essential micronutrient that participates in redox regulation and cellular homeostasis. Selenium‐containing ionic liquids (ILsSe) have emerged as hybrid compounds combining the properties of organoselenium molecules with the tunable features of ionic liquids.
Guilherme Schmitt Rieder, Alessandro de Souza Prestes, Fernanda D'Avila da Silva, Nilda de Vargas Barbosa, Alix Y. Bastidas Ángel, Mariana F. Soares, Carolina Martins Fernandes, Maria Anttônia Oliveira Petersen, Manuela Moura Silva, Juliete Nathali Scholl, Fabrício Figueiró, Pablo Andrei Nogara, Laura Orian, Eduardo E. Alberto, Michael Ascnher, Diogo Onofre Gomes de Souza, Debora Guerini de Souza, João Batista Teixeira da Rocha   +17 more
wiley   +1 more source

Molecular iodine-catalyzed one-pot multicomponent synthesis of 5-amino-4-(arylselanyl)-1H-pyrazoles

Beilstein Journal of Organic Chemistry, 2018
A one-pot iodine-catalyzed multicomponent reaction has been developed for the selective preparation of 5-amino-4-(arylselanyl)-1H-pyrazoles from a diverse array of benzoylacetonitriles, arylhydrazines and diaryl diselenides.
Camila S. Pires, Daniela H. de Oliveira, Maria R. B. Pontel, Jean C. Kazmierczak, Roberta Cargnelutti, Diego Alves, Raquel G. Jacob, Ricardo F. Schumacher   +7 more
doaj   +1 more source