Results 1 to 10 of about 76,241 (267)

GC-MS analysis of the active compound in ethanol extracts of white pepper (Piper nigrum l.) and pharmacological effects [PDF]

open access: yesCellular, Molecular and Biomedical Reports, 2022
Pepper (Piper nigrum L.) has been utilized since antiquity and is considered the king of spices due to its wide use. This study aims to analyze the active compounds of white pepper through GC-MS and their pharmacological effects.
I Nyoman Arsana   +4 more
doaj   +1 more source

The preparative synthetic approach to 4-(trifluoromethoxy)piperidine and 4-(trifluoromethoxymethyl)piperidine

open access: yesЖурнал органічної та фармацевтичної хімії, 2021
Aim. To develop a convenient synthetic approach for the preparation of multigram amounts of 4-(trifluoromethoxy)-piperidine and 4-(trifluoromethoxymethyl)piperidine – promising building blocks for medicinal chemistry. Results and discussion.
Ivan G. Logvinenko   +2 more
doaj   +1 more source

Application of Chiral Piperidine Scaffolds in Drug Design

open access: yesPharmaceutical Fronts, 2023
Chiral piperidine scaffolds are prevalent as the common cores of a large number of active pharmaceuticals in medical chemistry. This review outlined the diversity of chiral piperidine scaffolds in recently approved drugs, and also covers the scaffolds in
Qiu-Shi Chen, Jian-Qi Li, Qing-Wei Zhang
doaj   +1 more source

μ-opioid/D2 dopamine receptor pharmacophore containing ligands: Synthesis and pharmacological evaluation [PDF]

open access: yesJournal of the Serbian Chemical Society, 2020
Herein, the synthesis and pharmacological evaluation of 13 novel compounds, designed as potential heterobivalent ligands for μ-opioid receptor (MOR) and dopamine D2 receptors (D2DAR), are reported. The compounds consisted of anilido piperidine and N-aryl
Jevtić Ivana I.   +6 more
doaj   +1 more source

Microwave-Assisted Synthesis of (Piperidin-1-yl)quinolin-3-yl)methylene)hydrazinecarbothioamides as Potent Inhibitors of Cholinesterases: A Biochemical and In Silico Approach

open access: yesMolecules, 2021
Alzheimer’s disease (AD), a progressive neurodegenerative disorder, characterized by central cognitive dysfunction, memory loss, and intellectual decline poses a major public health problem affecting millions of people around the globe.
Rubina Munir   +8 more
doaj   +1 more source

Piperidine nucleus in the field of drug discovery

open access: yesFuture Journal of Pharmaceutical Sciences, 2021
Background Piperidine is an essential heterocyclic system and a pivotal cornerstone in the production of drugs. Piperidine byproducts showed several important pharmacophoric features and are being utilized in different therapeutic applications. Main text
Mennatallah Mahmoud Abdelshaheed   +3 more
doaj   +1 more source

Synthesis and Assessment of Antiplatelet and Antithrombotic Activity of 4-Amino-Substituted 5-Oxoproline Amides and Peptides

open access: yesMolecules, 2023
Venous thromboembolism is a serious problem because it significantly increases the risk of developing vascular complications in elderly patients with obesity or immobilization, cancer, and many other diseases.
Victor P. Krasnov   +10 more
doaj   +1 more source

Total Synthesis of (–)-Anaferine: A Further Ramification in a Diversity-Oriented Approach

open access: yesMolecules, 2020
The piperidine ring is a widespread motif in several natural bioactive alkaloids of both vegetal and marine origin. In the last years, a diversity-oriented synthetic (DOS) approach, aimed at the generation of a library of piperidine-based derivatives ...
Elisa Bonandi   +3 more
doaj   +1 more source

Synthesis of heterocyclic bromacetylene alcohols and their acryl -, methacryl ethers

open access: yesАлматы технологиялық университетінің хабаршысы, 2021
The article presents a method for obtaining heterocyclic bromoacetylenic alcohols by the action of sodium hypobromide on cyclic and heterocyclic acetylene alcohols, as well as their acrylic and methacrylic esters using lithium aluminum complexes.
T. A. Yagudeev   +3 more
doaj   +1 more source

Beyond the Simple Copper(II) Coordination Chemistry with Quinaldinate and Secondary Amines

open access: yesMolecules, 2020
Copper(II) acetate has reacted in methanol with quinaldinic acid (quinoline-2-carboxylic acid) to form [Cu(quin)2(CH3OH)]∙CH3OH (1) (quin− = an anionic form of the acid) with quinaldinates bound in a bidentate chelating manner.
Barbara Modec, Nina Podjed, Nina Lah
doaj   +1 more source

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