Results 71 to 80 of about 45,447 (273)

1,1′-[4-(2,4-Dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-diyl]diethanone

open access: yesActa Crystallographica Section E, 2011
In the title compound, C17H17Cl2NO2, the central 1,4-dihydropyridine ring adopts a flattened-boat conformation. The ethanone substituents of the dihydropyridine ring at positions 3 and 5 have synperiplanar (cis) or antiperiplanar (trans) conformations ...
J. Kalyana Sundar   +5 more
doaj   +1 more source

Green and Regioselective Approach for the Synthesis of 3-Substituted Indole Based 1,2-Dihydropyridine and Azaxanthone Derivatives as a Potential Lead for SARS-CoV-2 and Delta Plus Mutant Virus: DFT and Docking Studies [PDF]

open access: gold, 2022
Jayabal Kamalraja   +6 more
openalex   +1 more source

Ricinus Communis: Nutritional Importance, Health Benefits, and Industrial Applications

open access: yeseFood, Volume 7, Issue 1, February 2026.
The current paper summarizes the nutritional composition, phytochemistry, health benefits, safety studies, and applications of castor beans and their oil. Moreover, the diverse bioactive compounds, including saponins, emodins, terpenoids, anthraquinones, flavonoids, steroids, and alkaloids, exhibit therapeutic properties such as antioxidant, anticancer,
Hassan Raza   +13 more
wiley   +1 more source

Foot protein isoforms are expressed at different times during embryonic chick skeletal muscle development. [PDF]

open access: yes, 1991
We have investigated the time course of expression of the alpha and beta triad junctional foot proteins in embryonic chick pectoral muscle. The level of [3H]ryanodine binding in muscle homogenates is low until day E20 of embryonic development, then ...
Airey, JA   +6 more
core   +1 more source

Progressive impairment of CaV1.1 function in the skeletal muscle of mice expressing a mutant type 1 Cu/Zn superoxide dismutase (G93A) linked to amyotrophic lateral sclerosis [PDF]

open access: yes, 2016
Background: Amyotrophic lateral sclerosis (ALS) is an adult-onset neurodegenerative disorder that is typically fatal within 3–5 years of diagnosis. While motoneuron death is the defining characteristic of ALS, the events that underlie its pathology are
Bannister, Roger A.   +6 more
core   +2 more sources

Bromination and Diazo-Coupling of Pyridinethiones; Microwave Assisted Synthesis of Isothiazolopyridine, Pyridothiazine and Pyridothiazepines

open access: yesMolecules, 2012
Isothiazolopyridines, pyridothiazines and pyridothiazepines are important compounds that possess valuable biological activities. This paper reports on the synthesis of these compounds using both conventional chemical methods and modern microwave ...
Ayman M. S. Youssef   +2 more
doaj   +1 more source

Cardiovascular Challenges in Chronic Lymphocytic Leukemia (CLL) Patients Undergoing Bruton Tyrosine Kinase (BTK) Inhibitor Therapy

open access: yesEuropean Journal of Haematology, Volume 116, Issue 2, Page 104-115, February 2026.
ABSTRACT Background/Objectives Bruton tyrosine kinase inhibitors (BTKis) have revolutionized treatment for chronic lymphocytic leukemia (CLL), but cardiovascular (CV) toxicities pose significant challenges. Second‐generation BTKis offer improved target specificity, yet CV risks persist.
Stefano Oliva, Stefano Molica
wiley   +1 more source

The Role of Ivabradine in the Management of Angina Pectoris [PDF]

open access: yes, 2016
Stable angina pectoris affects 2–4 % of the population in Western countries and entails an annual risk of death and nonfatal myocardial infarction of 1–2 % and 3 %, respectively.
De Silva, R, Giavarini, A
core   +2 more sources

Metabolism of the dihydropyridine calcium channel blockers mebudipine and dibudipine by isolated rat hepatocytes [PDF]

open access: yes
The prototype 1,4-dihydropyridine (1,4-DHP) nifedipine, indicated for the management of hypertension and angina pectoris, has drawbacks of rapid onset of vasodilating action and a short half-life.
Baarnhielm   +15 more
core   +1 more source

Reactions of 2-methylchromones with cyanoacetamides and ethyl cyanoacetate. synthesis of 6-(2-hydroxyaryl)-4-methyl-2-oxo-1,2-dihydropyridine-3- carbonitriles and 7-hydroxy-6-imino-9-methyl-6h-benzo[c]chromene-8-carbonitriles [PDF]

open access: yes, 2013
Although 2-methylchromones react with cyanoacetamide and N-methyl cyanoacetamide in the presence of sodium ethoxide in refluxing ethanol to produce 6-(2-hydroxyaryl)-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitriles, their reactions with ethyl ...
Al Naimi   +23 more
core   +1 more source

Home - About - Disclaimer - Privacy