A base-promoted olefin skeletal rearrangement strategy from -quinone methides (-QMs) and -fluoroarenesulfonamides is reported, enabling direct nitrogen insertion of olefins to produce a series of multiarylated ()--sulfonyl amidines with complete stereoselectivity and generally good yields. Using -QMs without -hydroxy substituents gave triarylated -sulfonyl amidines, whereas tetraarylated ,'-disulfonyl amidines were synthesized with the existence of -hydroxy groups.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1039/d3cc05977d | DOI Listing |
Front Biosci (Landmark Ed)
January 2025
Department of Biomedical Sciences, Grand Valley State University, Allendale, MI 49401, USA.
Background: Diabetes mellitus is associated with morphological and functional impairment of the heart primarily due to lipid toxicity caused by increased fatty acid metabolism. Extracellular signal-regulated protein kinases 1 and 2 (ERK1/2) have been implicated in the metabolism of fatty acids in the liver and skeletal muscles. However, their role in the heart in diabetes remains unclear.
View Article and Find Full Text PDFNutrients
December 2024
Department of Experimental Medicine, Section of Biochemistry, University of Genova, Viale Benedetto XV 1, 16132 Genova, Italy.
Abscisic acid (ABA) is a hormone with a long evolutionary history, dating back to the earliest living organisms, of which modern (ABA-producing) cyanobacteria are likely descendants, which existed long before the separation of the plant and animal kingdoms, with a conserved role as signals regulating cell responses to environmental challenges. In mammals, along with the anti-inflammatory and neuroprotective function of ABA, nanomolar ABA regulates the metabolic response to glucose availability by stimulating glucose uptake in skeletal muscle and adipose tissue via an insulin-independent mechanism and increasing metabolic energy production and also dissipation in brown and white adipocytes. Chronic ABA intake of micrograms per Kg body weight improves blood glucose, lipids, and morphometric parameters (waist circumference and body mass index) in borderline subjects for prediabetes and metabolic syndrome.
View Article and Find Full Text PDFSci Rep
January 2025
Biomedical Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt.
Car accidents, infections caused by bacteria or viruses, metastatic lesions, tumors, and malignancies are the most frequent causes of chest wall damage, leading to the removal of the affected area. After excision, artificial bone or synthetic materials are used in chest wall reconstruction to restore the skeletal structure of the chest. Chest implants have traditionally been made from metallic materials like titanium alloys due to their biocompatibility and durability.
View Article and Find Full Text PDFBiochem Biophys Res Commun
January 2025
College of Food Science and Engineering, Ocean University of China, Qingdao, 266400, China.
Long-term use of glucocorticoids, such as dexamethasone, can lead to skeletal muscle atrophy and disturbances in glucolipid metabolism. Astaxanthin, a ketocarotenoid, has a variety of physiological activities. In this study, we investigated the effects of astaxanthin on dexamethasone-induced skeletal muscle atrophy and disorders of glycolipid metabolism.
View Article and Find Full Text PDFReprod Toxicol
November 2024
Division of Toxicology, Wageningen University and Research, Stippeneng 4, Wageningen 6708 WE, the Netherlands.
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!