Search
for
Sort by
Research
30-60 / 1000+ results
research Direct access to novel chromeno-pyrimidine-N-oxides via tandem base catalyzed double nucleophilic addition/dehydration reaction
This study reports a new one-pot method for synthesizing chromeno-pyrimidine-N-oxides with high yield from 4-chloro-3-formylcoumarin and aromatic carboximide oximes, confirmed by X-ray analysis.
research Palladium nanoparticles on a pyridinium supported ionic liquid phase: a recyclable and low-leaching palladium catalyst for aminocarbonylation reactions
In this study, researchers developed a new Supported Ionic Liquid Phase palladium catalyst that showed effectiveness in aminocarbonylation reactions for synthesizing pharmaceutical compounds like CX-546 and a precursor of Finasteride, though results were sensitive to substrate variations and prompted palladium leaching concerns.
research Structural Requirements of Minoxidil Analogs for Enhancing Lysyl Hydroxylase Inhibitory Activity
This study suggests that specific structural features of minoxidil analogs, such as hydrophobic and hydrogen bond field contributions, are key to enhancing lysyl hydroxylase inhibitory activity, which could inform future hair growth treatments.
research The heme-responsive PrrH sRNA regulatesPseudomonas aeruginosapyochelin gene expression
This study identified the genes for pyochelin siderophore biosynthesis as a novel target regulated by the heme-responsive PrrH sRNA in Pseudomonas aeruginosa.
research 3a-Phenylhexahydropentalene-1,6-dione
In this study, researchers successfully synthesized a rigid 3a-arylhexahydropentalene-1,6-dione from the easily accessible starting material cyclopent-2-en-1-one, highlighting a structural motif common in natural products and pharmaceuticals.
research Synthesis, Crystal Structure and Supramolecular Features of Novel 2,4-Diaminopyrimidine Salts
This study characterized the crystal structures and supramolecular architectures of new salts made from 2,4-diaminopyrimidine and different dicarboxylic acids, revealing subtle differences in crystal packing and hydrogen-bonding patterns, particularly influenced by sulfur atom interactions, through Hirshfeld analysis and enrichment ratios.
research Synthesis and structure–activity studies of side-chain derivatized arylhydantoins for investigation as androgen receptor radioligands
This study identified the N-(iodopropenyl) derivative 13 as a promising candidate for development as a radioiodinated androgen receptor ligand due to its binding affinity.
research Synthetic Approaches for Pharmacologically Active Decorated Six-Membered Diazines
This chapter reviews various synthetic methods for creating pharmacologically active diazines, particularly focusing on pyrimidines, and discusses their potential in clinical applications. It also examines novel synthetic strategies that improve the drug-like qualities and safety profiles of these compounds.
research Thiohydrazides in the Synthesis of Functionalized Extranuclear Heterosteroids
This study synthesized new heterocyclic steroid derivatives and reported their promising antiproliferative activity against breast and prostate cancer cell lines, highlighting selectivity and impact on signaling pathways even in cells resistant to certain treatments.
research Synthesis and biological evaluation of amino-pyridines as androgen receptor antagonists for stimulating hair growth and reducing sebum production
This study found that a specific amino-pyridine compound showed potent androgen receptor antagonist activity, stimulating hair growth in mice and reducing sebum production in a hamster model.
research Synthesis and structure–activity investigation of iodinated arylhydantoins and arylthiohydantoins for development as androgen receptor radioligands
This study found that arylhydantoin and arylthiohydantoin derivatives with hydroxybutyl or methyl side-chains showed superior androgen receptor binding affinity and may serve as promising radioiodinated AR ligands.
research Crystal Structure of 17-.BETA.-Benzoyloxy-16-.BETA.-methylpregna-4,6-diene-3,20-dione.
A new antiandrogen compound was made and its detailed three-dimensional shape was described.
research Synthesis and 5α-reductase inhibitory activity of 8-substituted benzo[ƒ]quinolinones derived from palladium mediated coupling reactions
This study explored how modifying the 8-substituent of 8-bromobenzoquinolinone affects its selectivity in inhibiting both 5 alpha-reductase isozymes in the scalp.
research Structure optimization of tetrahydropyridoindole-based aldose reductase inhibitors improved their efficacy and selectivity
This study found that compound 3, a tetrahydropyridoindole carboxymethylated at position 5, significantly inhibited sorbitol accumulation in both rat eye lenses and tissues affected by diabetes, indicating its potential as a lead compound for ALR2 inhibition.
research Synthesis and structural characterization of a new dinuclear platinum(III) complex, [Pt2Cl4(NH3)2{μ-HN=C(O)But}2]
This study reports the synthesis and structural characterization of a novel dinuclear platinum(III) complex with potential antitumor and catalytic activity.
research Selective isomerization of α-pinene oxide to campholenic aldehyde by ionic liquid-supported indenyl-molybdenum(II)-bipyridine complexes
This study developed a catalytic system using indenyl-molybdenum(II)-bipyridine complexes and ionic liquid solvents to achieve a 95% yield of campholenic aldehyde from α-pinene oxide under mild conditions.
research Synthesis, Anticancer and Molecular Docking Studies of 2-(4-chlorophenyl)-5-aryl-1,3,4-Oxadiazole Analogues
This study reported that among 10 tested 2-(4-chlorophenyl)-5-aryl-1,3,4-oxadiazole compounds, compound 4c showed the highest activity against cancer cell lines, with a 95.37% average growth rate.
research Carbobenzoxy-capped Phe-Lys(BODIPY TMR-X-acyloxymethyl ketone(QSY7)
This chapter discusses the synthesis and analysis of near-infrared fluorescent activity-based probes for imaging cysteine protease activity, reporting potential benefits for disease diagnosis but noting challenges in imaging specific locations with high cathepsin activity.
research The heme-responsive PrrH sRNA regulates Pseudomonas aeruginosa pyochelin gene expression
This study reported that the PrrH sRNA in *Pseudomonas aeruginosa* may directly regulate genes involved in pyochelin siderophore biosynthesis, highlighting its role in adapting to heme availability, with light conditions influencing this gene expression.
research Rational Design and Synthesis of 4-((1R,2R)-2-Hydroxycyclohexyl)-2(trifluoromethyl)benzonitrile (PF-998425), a Novel, Nonsteroidal Androgen Receptor Antagonist Devoid of Phototoxicity for Dermatological Indications
This study suggests that PF-0998425 is an effective androgen receptor antagonist for sebum control and androgenetic alopecia with rapid metabolism reducing the risk of systemic side effects.
research Circumventing Mukaiyama oxidation: selective S–O bond formation via sulfenamide–alcohol coupling
This study developed a metal-free method for synthesizing sulfinimidate esters, showcasing their potential as versatile intermediates for enantioselective bond formation under mild conditions.
research Advancing mitochondrial therapeutics: Synthesis and pharmacological evaluation of pyrazole-based inhibitors targeting the mitochondrial pyruvate carrier
This study reported the development of new pyrazole-based MPC inhibitors that effectively inhibit mitochondrial pyruvate transport, showing potential as therapeutic candidates for conditions like metabolic dysfunction-associated steatohepatitis without activating PPARγ.
research Preparation, Characterization and Molecular Docking Study of some New Pyrazole Derivatives Derived from 2-Mercaptobenzothiazole.
This study found that certain pyrazole derivatives may serve as effective 5α-reductase inhibitors with potential use in the treatment of androgenetic alopecia, based on molecular docking analyses.
research Design and synthesis of novel Azasteroids and Pseudoazulenyl nitrones
This review explores the synthesis and potential of azasteroids as novel drugs, discussing challenges in their production and reporting no new clinical results.
research Identification of Pygopus 2 as a component of the ribosomal RNA transcription complex in cancer
This study found that the NHD domain, but not the PHD domain, of hPygo2 is crucial for Wnt-independent growth of ovarian cancer cells, and identified a key interaction with Treacle protein involved in ribosomal biogenesis.
research 17α-Acetoxy-6-bromo-16β-methylpregna-4,6-diene-3,20-dione
This study describes the molecular conformation and intermolecular interactions in the crystalline structure of the compound C24H31BrO4.
research Benzo[c]quinolizin-3-ones: A Novel Class of Potent and Selective Nonsteroidal Inhibitors of Human Steroid 5α-Reductase 1
This study identified novel compounds as selective inhibitors of the type 1 isoenzyme of 5α-reductase, displaying promising potential for treating DHT-dependent disorders such as acne and androgenic alopecia.
research Synthesis and anticancer activity evaluation of Novel 6 mercaptopurine derivatives.
This study synthesized and evaluated five 6-mercaptopurine derivatives for anticancer activity against three cancer cell lines, detailing the promising results of compound 1.
research Breaking the “rule-of-five” to access Bridged Bicyclic Heteroaromatic Bioisosteres
This study introduces a novel visible light-mediated intramolecular [2+2] cycloaddition process that forms 6-azabicyclo[3.1.1]heptanes, offering a new synthesis route for bioisosteric mimetics used in drug discovery, potentially expanding medicinal chemistry applications beyond traditional limitations.