Results 21 to 30 of about 60,973 (249)
One-pot preparation of substituted pyrroles from α-diazocarbonyl compounds
Beilstein Journal of Organic Chemistry, 2008 In this work an efficient one-pot synthesis of substituted pyrroles 7a–n is described, which involves the in situ formation of dihydrofurans ethyl 5-butoxy-2-methyl-4,5-dihydrofuran-3-carboxylate (4), 1-(5-butoxy-2-methyl-4,5-dihydrofuran-3-yl)ethanone ...
Fernando de C. da Silva +5 more
doaj +1 more source
Improved synthesis and in vitro study of antimicrobial activity of α,β-unsaturated and α-bromo carboxylic acids [PDF]
Journal of the Serbian Chemical Society, 2012 A series of α,β-unsaturated and α-bromo carboxylic acids were identified as potent antimicrobial agents. Antimicrobial activity was evaluated using broth microdilution method.
Vitnik Vesna D. +4 more
doaj +1 more source
Organics, 2023 (E)-1-aryl-2,4-bis(trimethylsilyl)but-1-en-3-ynes readily undergo protodesilylation and subsequent aerobic, copper-free Sonogashira cross-coupling with aryl halides to form (E)-1,4-diaryl-2-(trimethylsilyl)but-1-en-3-ynes.
Szymon Rogalski +2 more
doaj +1 more source
Molecular Oncology, EarlyView.Breast cancer remains a major cause of cancer death in women, frequently developing endocrine therapy resistance. This study demonstrates that upregulated p21‐activated kinase 1 (PAK1) activity drives resistance to tamoxifen and long‐term estrogen deprivation in ER+ breast cancer models.
Luisa Schwarzmüller +10 more
wiley +1 more source
Iodine promoted one-pot synthesis of flavones
Results in ChemistryA novel one-pot methodology for the synthesis of flavones starting from simple precursors such as 2′-hydroxyacetophenone and benzaldehyde derivatives in pentan-1-ol (a green solvent), without additives, mediated by iodine and with short reaction times (1
Darvin Jesús Torres Ribón +9 more
doaj +1 more source
Laser‐Induced Graphene from Waste Almond Shells
Advanced Functional Materials, EarlyView.Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova +9 more
wiley +1 more source
“Chocolate” Gold Nanoparticles—One Pot Synthesis and Biocompatibility
Nanomaterials, 2018 The chemical synthesis of nanoparticles can involve and generate toxic materials. Here, we present for the first time, a one pot direct route to synthesize gold nanoparticles (AuNPs) using natural cacao extract as both a reducing and stabilizing agent ...
Neelika Roy Chowdhury +3 more
doaj +1 more source
Synthesis of quercetin-functionalized silver nanoparticles by rapid one-pot approach
BioTechnologia, 2021 Nanotechnology plays a pivotal role in all areas of science, and the synthesis and surface modification of nano¬particles are crucial in this field. Metal nanoparticles synthesized using plant extracts or phytocompounds are highly significant in the ...
Sureshbabu Pandian +3 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Liquid‐phase transmission electron microscopy enables direct observation of nucleation and growth processes in solution. This review is dedicated to the remembrance of Helmut Cölfen and highlights recent studies on complex materials—oxides, biominerals, organic–inorganic crystals—which were central to his research activity. It summarizes key milestones,
Charles Sidhoum +5 more
wiley +1 more source
Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications
Advanced Functional Materials, EarlyView.Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi +3 more
wiley +1 more source