Results 111 to 120 of about 39,960 (300)

Review Exploring Biological Potentials of Piperazines

open access: yes, 2017
In modernization nitrogen containing heterocyclic compounds and their derivatives has attracted great interest due to their efficacious biological and pharmacological properties.
S. Verma, Sushil Kumar
semanticscholar   +1 more source

The continuing significance of chiral agrochemicals

open access: yesPest Management Science, Volume 81, Issue 4, Page 1697-1716, April 2025.
In the time frame 2018–2023, around 43% of the 35 chiral agrochemicals introduced to the market (herbicides, fungicides, insecticides, acaricides, and nematicides) contain one or more stereogenic centers in the molecule, and almost 69% of them have been marketed as racemic mixtures of enantiomers or stereoisomers.
Peter Jeschke
wiley   +1 more source

“High-Throughput” Evaluation of Polymer-Supported Triazolic Appendages for Metallic Cations Extraction

open access: yesMetals, 2015
The aim of this work was to find and use a low-cost high-throughput method for a quick primary evaluation of several metal extraction by substituted piperazines appendages as chelatants grafted onto Merrifield polymer using click-chemistry by the ...
Riadh Slimi, Christian Girard
doaj   +1 more source

Trends in fentanyl‐containing drug samples seized by law enforcement agencies across Canada

open access: yesAddiction, EarlyView.
Abstract Background and aims Canada's drug toxicity crisis has been largely attributed to a volatile fentanyl‐dominated unregulated drug supply with increasing reports of fentanyl detected in combination with benzodiazepines, stimulants and xylazine.
Shaleesa Ledlie   +6 more
wiley   +1 more source

Scalable Synthesis of Piperazines Enabled by Visible-Light Irradiation and Aluminum Organometallics

open access: yesAngewandte Chemie, 2015
The development of more active C–H oxidation catalysts has inspired a rapid, scalable, and stereoselective assembly of multifunctional piperazines through a [3+3] coupling of azomethine ylides.
Samuel Suárez‐Pantiga   +3 more
semanticscholar   +1 more source

Systemic medications associate with surgically treated cataract among adults over 50 years in Finland

open access: yesActa Ophthalmologica, EarlyView.
Abstract Purpose To identify associations between systemic drugs and cataract surgery in Finland. Methods A historic cohort study based on administrative data. Endpoint event was cataract surgery. Use of drugs in question was based on redeemed prescriptions and consisted of 156 drugs.
Antti Riikonen   +3 more
wiley   +1 more source

Covalent drug discovery: Progress against key targets, emerging strategies and lessons learnt

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract Covalent drug discovery is currently experiencing a boom in industrial and academic interest. To date, at least 75 covalent drugs have received regulatory approval, targeting both traditional target classes and more challenging proteins for which other approaches failed. In many cases, unique aspects of covalent targeting are essential for the
Charles P. Brown   +2 more
wiley   +1 more source

Selective targeting of cortactin tandem repeat acetylation by human lysine deacetylases

open access: yesThe FEBS Journal, EarlyView.
Cortactin function is regulated by acetylation at several lysine residues within its tandem repeat region. Using genetic code expansion to generate cortactin variants containing precisely defined acetylation marks, we show that HDAC6 is the primary enzyme removing these modifications, with SIRT1 and SIRT2 also acting at selected sites but with lower ...
Jan Komarek   +12 more
wiley   +1 more source

Interaction mechanisms and structural properties of B-, Si-doped C60 fullerenes with 1-formylpiperazine

open access: yesMain Group Metal Chemistry, 2016
Piperazines and fullerene nanocages are versatile compounds. These are discussed in a wide range of academic work, especially in the field of medicine, and considered for various applications by the pharmaceutical industry.
Parlak Cemal   +2 more
doaj   +1 more source

Market Analysis of Synthetic Drugs: Amphetamine-type Stimulants, New Psychoactive Substances [PDF]

open access: yes, 2017
An estimated quarter of a billion people, or around 5 per cent of the global adult population, used drugs at least once in 2015. Even more worrisome is the fact that about 29.5 million of those drug users, or 0.6 per cent of the global adult population ...

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