Results 141 to 150 of about 36,653 (344)

Annual Banned‐Substance Review 17th Edition—Analytical Approaches in Human Sports Drug Testing 2023/2024

open access: yesDrug Testing and Analysis, EarlyView.
Scenarios of drug exposure and administration as well as detection assays for drugs and methods of sports doping published between 2023 and 2024 are critically reviewed and evaluated in context with the Prohibited List 2024 as established by the World Anti‐Doping Agency.
Mario  Thevis   +2 more
wiley   +1 more source

Gut microbiota and risk of heart failure in European population—A comprehensive Mendelian randomization study

open access: yesESC Heart Failure, EarlyView.
Abstract Aims Gut dysbiosis is proven to be involved in the pathogenesis and progression of heart failure (HF). Hindering the detrimental effects of gut‐heart axis is an emerging trend. Our goal is to investigate the causal relationship between gut microbiota and HF, with the aim of facilitating future exploration of microbiome‐targeted approaches to ...
Liyan Huang   +8 more
wiley   +1 more source

Aliphatic Hydroximates: Structure and Interconversion of Stereoisomers. [PDF]

open access: bronze, 1977
Anders Kjær   +6 more
openalex   +1 more source

Reaction of Nitrones with Phosphinylallenes: DFT Mechanistic Investigations

open access: yesEuropean Journal of Organic Chemistry, Accepted Article.
The reaction between phosphinylallenes and nitrones efficiently leads to 4‐phosphinylpyrrolidin‐3‐ones. The mechanism involved in this reaction was theoretically studied to understand the overall pathway and the stereochemical outcome of the transformation.
Rayhane Hammami   +5 more
wiley   +1 more source

Studies of Flavanones. XVII-XVIII. XVII. Stereoisomers of 3-Ethylflavanones.

open access: bronze, 1956
藤瀬 新一郎   +3 more
openalex   +2 more sources

Total Synthesis of Ectocarpin A

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
A fully enantioselective total synthesis of ectocarpin A, a new oxylipin, has been achieved in 12 steps starting from tetrahydro‐1H‐cyclopentafuranone. Key steps include the formation of the chiral core, diastereoselective epoxidation, enzymatic desymmetrization of a 1,4‐diol, epimerization, and strategic Wittig and Julia‐Kocienski olefinations to ...
Alexandre Guy   +2 more
wiley   +1 more source

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