Results 41 to 50 of about 24,939 (257)

Discovery of Quinazoline-2,4(1H,3H)-Dione Derivatives as Potential Antibacterial Agent: Design, Synthesis, and Their Antibacterial Activity

open access: yesMolecules, 2022
In this paper, we report on the design and synthesis of a novel series of quinazoline-2,4(1H,3H)-dione derivatives as fluoroquinolone-like inhibitors of bacterial gyrase and DNA topoisomerase IV to identify and develop antimicrobial agents to prevent ...
Nader M. Boshta   +4 more
doaj   +1 more source

Esters with imidazo [1,5-c] quinazoline-3,5-dione ring spectral characterization and quantum-mechanical modeling [PDF]

open access: yes, 2017
1-phenyl-2H,6H-imidazo[1,5-c]quinazoline-3,5-dione reacts with ethyl bromoacetate under mild conditions to give 2-(ethoxycarbonylmethyl)-1-phenyl-6H-imidazo[1,5-c]quinazoline-3,5-dione (MEPIQ) and next 2,6-bis(ethoxycarbonylmethyl)-1-phenylimidazo[1,5-c ...
Hęclik, Karol   +5 more
core   +1 more source

Multi‐Targeting Ligands as Prospective Therapeutics for Alzheimer's Disease, a Prevalent Neurodegenerative Disorder: Mechanistic Insights, Emerging Targets and Drug Discovery Campaigns

open access: yesMedicinal Research Reviews, EarlyView.
ABSTRACT Alzheimer's disease (AD) is a debilitating neurodegenerative condition characterized by progressive cognitive impairment, memory deterioration, and neuronal dysfunction. Its complex pathophysiology involves multiple interlinked processes, including amyloid‐β (Aβ) aggregation, tau hyperphosphorylation, oxidative stress, neuroinflammation ...
Amandeep Thakur   +6 more
wiley   +1 more source

Design, Synthesis and Anticancer Evaluation of Novel Quinazoline-Sulfonamide Hybrids

open access: yesMolecules, 2016
By combining the structural features of quinazoline and sulfonamides, novel hybrid compounds 2–21 were synthesized using a simple and convenient method.
Mostafa M. Ghorab   +4 more
doaj   +1 more source

Identification of Quinazolinone Analogs Targeting CDK5 Kinase Activity and Glioblastoma Cell Proliferation

open access: yesFrontiers in Chemistry, 2020
CDK5/p25 kinase plays a major role in neuronal functions, and is hyperactivated in several human cancers including glioblastoma and neurodegenerative pathologies such as Alzheimer's and Parkinson's.
Marion Peyressatre   +7 more
doaj   +1 more source

Medicinal Chemistry of Quinazolines as Analgesic and Anti-Inflammatory Agents

open access: yesChemEngineering, 2022
Quinazoline is an essential scaffold, known to be linked with various biological activities. Some of the prominent biological activities of this system are analgesic, anti-inflammatory, anti-hypertensive, anti-bacterial, anti-diabetic, anti-malarial ...
Mohamed F. Zayed
doaj   +1 more source

Benzthiazoloneyl Quinazolines.

open access: yes, 1934
Benzthiazoloneyl Quinazolines.
PRAFULLA KUMAR BOSE, KUMUD BIHARI PATHAK
openaire   +1 more source

A Feasibility Study of the Repurposing of Prazosin to Improve Treatment Outcomes in Men Receiving Radiotherapy for Prostate Cancer (MiniRaP‐00)

open access: yesThe Prostate, EarlyView.
ABSTRACT Background Further work is needed to improve treatment outcomes for prostate cancer (PCa), with the repurposing of the α1‐adrenoreceptor antagonists presenting a potential solution. This feasibility clinical trial presents the first prospective data of the use of an α1‐adrenoreceptor antagonist in men undergoing radiotherapy for PCa.
Liam D. King   +8 more
wiley   +1 more source

Synthetic strategies for 5- and 6-membered ring azaheterocycles facilitated by iminyl radicals [PDF]

open access: yes, 2016
The author thanks EaStCHEM for financial support.The totality of chemical space is so immense that only a small fraction can ever be explored. Computational searching has indicated that bioactivity is associated with a comparatively small number of ring ...
Walton, John Christopher
core   +5 more sources

Dimethyl‐, Diethyl‐, and Propylene Carbonates: An Emerging Class of Green Solvents for Organic Synthesis

open access: yesThe Chemical Record, EarlyView.
This review highlights recent advances in the use of organic carbonates, dimethyl carbonate (DMC), diethyl carbonate (DEC), and propylene carbonate (PC), as solvents in organic synthesis. Based on over seventy studies from the past 6 years, it shows their application in different organic reaction types, emphasizing their role in safer and more ...
Gabriela T. Quadros   +5 more
wiley   +1 more source

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