Results 21 to 30 of about 3,980 (188)

Access to enantiopure 4-substituted 1,5-aminoalcohols from phenylglycinol-derived δ-lactams: synthesis of Haliclona alkaloiods [PDF]

open access: yes, 2016
LiNH2BH3-promoted reductive opening of 8-substituted phenylglycinol-derived oxazolopiperidone lactams leads to enantiopure 4-substituted-5-aminopentanols, which are used as starting building blocks in the synthesis of the Haliclona alkaloids ...
Amat Tusón, Mercedes   +3 more
core   +1 more source

Light-induced rearrangement from macrocyclic to bicyclic lactam: A case study of N-chlorinated laurolactam

open access: yesActa Pharmaceutica
Converting macrocycle lactams into bicyclic lactams is proposed as an additional way to further increase the metabolic stability of peptide-based drugs. Unfortunately, the synthesis of bicyclic lactams has to start almost from scratch.
Zubčić Gabrijel   +6 more
doaj   +1 more source

5,6-Dihydro-2H-pyran-3(4H)-on als Baustein zur Synthese pyrananellierter Heterocyclen [PDF]

open access: yes, 1984
Während 5,6-Dihydro-2H-pyran-3(4H)-on (3) sich mit ortho-substituierten Phenylcarbonylverbindungen nur in Einzelfällen regioselektiv zu pyrananellierten Heterocyclen umsetzt - z. B.
Eiden, Fritz, Wanner, Klaus Th.
core   +1 more source

Ferrocene‐Based Sensors for Green Analytical Applications in Environmental, Biomedical, Industrial, and Food Monitoring

open access: yesChemistryOpen, Volume 15, Issue 5, May 2026.
Ferrocene derivatives represent a transformative class of molecular sensors, combining exceptional electrochemical stability with tunable redox characteristics that enable precise detection across diverse analytical challenges in environmental, medical, and industrial applications.
Ala'a Al‐Akhras   +6 more
wiley   +1 more source

Application of a Catalytic Asymmetric Povarov Reaction using Chiral Ureas to the Synthesis of a Tetrahydroquinoline Library [PDF]

open access: yes, 2014
A 2328-membered library of 2,3,4-trisubstituted tetrahydroquinolines was produced using a combination of solution- and solid-phase synthesis techniques.
Akella, Lakshmi B.   +7 more
core   +1 more source

Metalloids: Semi as Metals yet Full of Antimicrobial Potential

open access: yesChemMedChem, Volume 21, Issue 7, 14 April 2026.
Metalloids such as boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), and tellurium (Te) bridge metals and non‐metals, displaying unique chemical versatility. Recent research highlights their diverse antimicrobial and therapeutic potentials, from natural products to synthetic organic and organometallic molcules, underscoring renewed ...
Kevin Böhm   +2 more
wiley   +1 more source

Bioactive Marine Drugs and Marine Biomaterials for Brain Diseases [PDF]

open access: yes, 2014
Marine invertebrates produce a plethora of bioactive compounds, which serve as inspiration for marine biotechnology, particularly in drug discovery programs and biomaterials development.
Andrade, Paula B.   +3 more
core   +2 more sources

On a Fluorescent Dye for Indicator Displacement From Cucurbit[7]uril‐Based Molecular Recognition: A Joint Experimental‐Computational Study

open access: yesChemPhysChem, Volume 27, Issue 6, 27 March 2026.
The host–guest complexation of a new fluorescent probe called 7‐(diethylamino)‐4‐hydroxyquinoline‐2(1H)‐one (QD) and its inclusion complex with the Cucurbit[7]uril (CB7) macrocycle were studied within a joint experimental and computational study. Confinement alters the photophysical properties of the synthesized quinolinone derivative also offering a ...
Kevin Droguett   +4 more
wiley   +1 more source

Antimicrobial resistance and reduced susceptibility in Clostridium difficile: potential consequences for induction, treatment, and recurrence of C. difficile infection. [PDF]

open access: yes, 2015
© 2015 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).Clostridium difficile ...
Bacci   +8 more
core   +4 more sources

Identification of ZFTA as a Novel KLHL20 Substrate and Mechanistic Insights Into Fuzzy Binding of Disordered Peptides via Biosensor Analysis and Computational Modelling

open access: yesChemBioChem, Volume 27, Issue 5, 13 March 2026.
An AlphaFold 2 model of a peptide derived from zinc finger translocation associated (ZFTA) protein in complex with the Kelch domain of KLHL20 (KLHL20Kelch). Sensorgrams from surface plasmon resonance biosensor experiments of the interaction between a ZFTA‐derived peptide with immobilised KLHL20Kelch shows that the interaction is complex and has a ...
Nadine E. M. Myers   +9 more
wiley   +1 more source

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