Results 71 to 80 of about 13,653 (252)

Transcranial Magnetic Stimulation as a Translational Biomarker in Early‐Phase Anti‐Seizure Medication Development: A Randomized, Double‐Blind, Placebo‐Controlled Study in Generalized Epilepsy

open access: yesClinical Pharmacology &Therapeutics, Volume 120, Issue 3, Page 673-683, September 2026.
One‐third of epilepsy patients remain treatment‐resistant, underscoring the need for novel anti‐seizure medications (ASMs) and reliable biomarkers of central target engagement. Cortical hyperexcitability is a hallmark of epilepsy, making excitability a valuable pharmacodynamic biomarker for early‐phase drug development supporting go/no‐go decision ...
Catherine M. E. de Cuba   +7 more
wiley   +1 more source

Asymmetric Synthesis of (R)‐1‐Alkyl‐Substituted Tetrahydro‐ß‐carbolines Catalyzed by Strictosidine Synthases

open access: yesAngewandte Chemie, 2018
Stereoselective methods for the synthesis of tetrahydro‐ß‐carbolines are of significant interest due to the broad spectrum of biological activity of the target molecules.
Desiree Pressnitz   +9 more
semanticscholar   +1 more source

Alcoholic extracts of Russian sage (Salvia yangii) contain bioactive terpenoids with inhibitory activity against grapevine downy mildew (Plasmopara viticola)

open access: yesPest Management Science, Volume 82, Issue 9, Page 8159-8170, September 2026.
Alcoholic extracts from flowers, leaves, and shoots of Russian sage decreased downy mildew severity on grapevine leaf disks. Fractionation followed by metabolomic analysis revealed putative terpenoids as the main components of the active fractions. Specifically, 7‐methylrosmanol, 12‐O‐methylcarnosic acid, carnosic acid, and carnosol were identified as ...
Anna Smaldone   +5 more
wiley   +1 more source

Systematic prioritization of candidate genes in camptothecin biosynthesis using multi‐omics and deep learning

open access: yesThe Plant Genome, Volume 19, Issue 3, September 2026.
Abstract Camptothecin (CPT), a plant‐derived monoterpene indole alkaloid first identified in Camptotheca acuminata, is a drug precursor widely used for cancer chemotherapeutics. However, the full set of genes responsible for CPT biosynthesis remains unclear, hindering efforts to elucidate the complete pathway or establish biosynthetic production of CPT
Shenqi Wang   +6 more
wiley   +1 more source

Exploring the Anticancer Activity of Ruthenium(II)–Arene and Copper(I) Complexes Bearing N‐Heterocyclic Carbene Ligands Containing Azido, Pyridinium, and Ethisterone‐Derived Triazole Groups

open access: yesEuropean Journal of Inorganic Chemistry, Volume 29, Issue 24, 21 August 2026.
A versatile library of backbone‐functionalized N‐heterocyclic carbene (NHC) ligands was developed and efficiently converted into Cu(I) and Ru(II) NHC complexes, demonstrating that ligand functionalization strongly modulates anticancer activity, with Cu(I)–NHC species showing potent and selective antiproliferative effects against ovarian and breast ...
Alessia Schiavo   +4 more
wiley   +1 more source

Dual Acid Responses of Stable Luminescent Diphenylpyridylmethyl Radicals With Additional Pyridyl Groups

open access: yesChemistry – A European Journal, Volume 32, Issue 31, 18 August 2026.
To expand the acid‐responsive behavior of diphenylpyridylmethyl stable luminescent radicals, additional pyridyl groups were introduced. Dual acid responsiveness was observed, involving both the newly incorporated pyridyl groups and the PyBTM moieties.
Yohei Hattori   +3 more
wiley   +1 more source

Oxidative Asymmetric Formal Aza-Diels–Alder Reactions of Tetrahydro-β-carboline with Enones in the Synthesis of Indoloquinolizidine-2-ones

open access: yesMolecules, 2018
Ru-catalyzed tandem amine oxidative dehydrogenation/formal aza-Diels–Alder reaction for enantio- and diastereoselective synthesis of indoloquinolizidine-2-ones from tetrahydro-β-carbolines and α,β-unsaturated ketones is described ...
Xiang Wu   +3 more
doaj   +1 more source

Et3N/DMSO-supported one-pot synthesis of highly fluorescent β-carboline-linked benzothiophenones via sulfur insertion and estimation of the photophysical properties

open access: yesBeilstein Journal of Organic Chemistry, 2020
A robust transition-metal-free strategy is presented to access novel β-carboline-tethered benzothiophenone derivatives from 1(3)-formyl-β-carbolines using elemental sulfur activated by Et3N/DMSO.
Dharmender Singh   +2 more
doaj   +1 more source

Acylation of indolyl subsituted β-ketonitriles. The way to new indolo[2,3-c]pyrilium and β-carboline derivatives

open access: yesЖурнал органічної та фармацевтичної хімії, 2020
Aim. To synthesize 4-cyanoindolo[2,3-c]pyrilium salts and examine their reactivity towards N-nucleophiles. Results and discussion. The acylation reaction of 2-(indolyl-3)-2-aroylacetonitriles under acid catalysis conditions was studied. 4-Cyanoindolo[2,3-
N. M. Bogdan   +2 more
doaj   +1 more source

The One‐Step Synthesis of Biologically Active Isochromans from Lignin‐Derived Aromatic Monomers in Tunable Deep Eutectic Solvents

open access: yesChemistry – A European Journal, Volume 32, Issue 30, 13 August 2026.
A straightforward one‐step protocol enables the synthesis of bio‐based and biologically active isochromans through the Oxa‐Pictet cyclization involving diverse aldehydes, including vanillin in combination with lignin‐derivable homovanillyl alcohol, a prominent aromatic platform chemical obtainable via diol‐assisted fractionation of lignocellulose ...
Anjali Kottayi   +6 more
wiley   +1 more source

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