Results 61 to 70 of about 3,038 (175)

Triterpenoid bis-Amide Analogs via the Ugi Reaction

Chemistry Proceedings
Isocyanide-based multicomponent reactions, such as the Ugi four-component reaction, are among the most relevant synthetic tools in modern organic chemistry.
Fidel Rodriguez-López, Cristian Saldana-Arredondo, Hugo A. García-Gutiérrez, Rocío Gámez-Montaño   +3 more
doaj   +1 more source

Ultra‐High‐Throughput Discovery of Multifunctional Polyphenolic Coatings on Droplet Microarrays

Advanced Materials, Volume 38, Issue 39, 13 July 2026.
An ultra‐high‐throughput (UHT) combinatorial strategy enables the miniaturized synthesis and screening of ≈30 000 polyamine‐polyphenolic (PaPp) coatings using droplet microarrays (DMA). This approach reveals hundreds of previously unknown fluorescent, redox‐active, and antibacterial materials, including multifunctional, cell‐compatible surfaces ...
Vania Tanda Widyaya, Joaquín E. Urrutia Gómez, Paul Reuß, Alexander Welle, Rolf A. Gattung, Jana Mayer, Peter Krolla, Markus Reischl, Pascal Friederich, Anna A. Popova, Thomas Schwartz, Pavel A. Levkin   +11 more
wiley   +1 more source

Phosphoranaloga von Aminosäuren und Peptiden: β-Lactam-Grundgerüst mit Aminomethylphosphonsäure

CHIMIA, 1984
Syntheses of β-lactams containing aminomethylphosphonate involving the Ugi-reaction of diethylisocyanmethylphosphonate 4 with carbonyl compounds 3 and β-alanine are reported.
Janusz Rachoń
doaj   +1 more source

Storing Data With Propargylic Amines Using Thin‐Layer Chromatography for the Data Retrieval

ChemPlusChem, Volume 91, Issue 7, July 2026.
Using our previously developed catalyst, we synthesized a series of propargylic amines and used mixtures of these compounds to encode two datasets: a QR code linking to our research group's website and an image of Charles IV, the founder of our university.
Miguel Mateus, Sundaravelu Nallappan, Lukas Rycek   +2 more
wiley   +1 more source

Consecutive hydrazino-Ugi-azide reactions: synthesis of acylhydrazines bearing 1,5-disubstituted tetrazoles

Beilstein Journal of Organic Chemistry, 2017
Isocyanide-based multicomponent reactions (IMCRs) allow the construction of relatively complex molecules through a one-pot synthesis. The combination of IMCRs in a consecutive or sequential fashion further extends the complexity of the molecules obtained.
Angélica de Fátima S. Barreto, Veronica Alves dos Santos, Carlos Kleber Z. Andrade   +2 more
doaj   +1 more source

Virtual Reality for Outreach and Community‐Engagement in Paleogenomics: Development of a 360° Tour of an Ancient DNA Laboratory

Ecology and Evolution, Volume 16, Issue 7, July 2026.
Virtual reality and digital visualization tools offer new opportunities for science education and community outreach by increasing the accessibility and transparency of controlled‐access laboratory spaces. Here, we present the creation of a 360° Tour of the Ancient DNA Laboratory at the University of Connecticut, created in collaboration with the ...
Christina M. Balentine, Alisha Khalil, Abigail Sink, Horvey Palacios, Deborah A. Bolnick, Michael Lavin, Dave Givens, Chuck Durfor, Raquel E. Fleskes   +8 more
wiley   +1 more source

Synthesis of Quinoxalin-2(1H)-One Derivatives via the Novel Ugi 4CR, Followed by Palladium-Catalyzed Cyclization Process

Chemistry Proceedings
A novel synthetic methodology has been developed for the efficient preparation of Quinoxalin-2(1H)-one derivatives through a strategically designed combination of Ugi four-component reaction (4CR) followed by metal-catalyzed cross-coupling reactions ...
Murali Venkata Basavanag Unnamatla, Rocío Gámez Montaño, Laurent El Kaïm   +2 more
doaj   +1 more source

The Diagnostic Challenge of Crohn's Disease With Initial Duodenal Involvement: Two Cases and Literature Review

Immunity, Inflammation and Disease, Volume 14, Issue 7, July 2026.
ABSTRACT Background Upper gastrointestinal Crohn's disease (UGI‐CD) is rare, with an adult prevalence of 0.5%–4.0%. Its nonspecific symptomatology and the absence of clear diagnostic guidelines pose significant diagnostic challenges. Case Presentation We present two patients with UGI‐CD treated at Hainan General Hospital.
Chaochao Chen, Yongrong Li, Yiyao Chen, Zhoutao He, Cheng Lan   +4 more
wiley   +1 more source

A personal 360° view of applications of ‘biomimetic’ molecular recognition

Journal of Chemical Technology &Biotechnology, Volume 101, Issue 7, Page 1300-1311, July 2026.
Abstract Molecular recognition between biological molecules has formed the basis for innumerable applications in biotechnology for the last seven decades or so. Techniques such as affinity chromatography, solid‐phase and aqueous two‐phase extraction, affinity precipitation, biomimetic catalytic systems, biosensors and molecular imprinting all exploit ...
Christopher R Lowe
wiley   +1 more source

High Internal Phase Pickering Emulsions as Structurally Tunable Bioinks for Extrusion‐Based Printing From 3D Fabrication to Adaptive Multiresponsive Architectures

Comprehensive Reviews in Food Science and Food Safety, Volume 25, Issue 4, July 2026.
ABSTRACT High internal phase Pickering emulsions (HIPPEs) have recently emerged as a versatile class of bioinks for extrusion‐based printing, offering unique opportunities for structural tunability, hierarchical architecture, and functional responsiveness.
Parham Joolaei Ahranjani, Kamine Dehghan, Gergely Kali, Andreas Bernkop‐Schnürch, Giovanna Ferrentino   +4 more
wiley   +1 more source