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Design, Synthesis, and Biological Activity Evaluation of 5-Aryl-cyclopenta[]pyridine Derivatives.
J Agric Food Chem
January 2025
Institute of Applied Chemistry, Jiangxi Academy of Sciences, Nanchang 330096, China.
Taking the natural product cerbinal as the lead compound, 30 novel 5-aryl-cyclopenta[]pyridine derivatives were designed and synthesized based on the previous bioactivity studies of the cyclopenta[]pyridines. The modification of the position-5 of compound was achieved by amination, bromination, and cross coupling using cerbinal as the raw material. The results of the bioactivity tests demonstrated that partial compounds exhibited superior activity against plant viruses compared to compound .
View Article and Find Full Text PDFPotent antiviral action detected in extracts against .
Drug Dev Ind Pharm
January 2025
Laboratory of Virology and Cellular Technology, Department of Chemistry, Biotechnology, and Bioprocess Engineering, Universidade Federal de São João del-Rei, Ouro Branco, MG, Brazil.
Background: , a notable plant species, has garnered interest for its medicinal properties, including anti-inflammatory, antibacterial and antiviral effects. A vaccine for Chikungunia virus is still under evaluation and no specific antiviral drug has been licensed to date.
Objective: The work investigated antiviral activity of ethyl acetate (EAEF) and methanolic (EMF) extracts from leaves in mammalian cells exposed to (CHIKV).
Lessons from COVID-19 in Taiwan's long-term care facilities: A narrative review.
J Formos Med Assoc
January 2025
Department of Internal Medicine, National Taiwan University Hospital, No.7, Chung Shan S. Rd.(Zhongshan S. Rd.), Zhongzheng Dist., Taipei City, 100225, Taiwan, ROC; College of Medicine, National Taiwan University, No.1 Jen Ai road section 1, Taipei 100, Taiwan, ROC. Electronic address:
The coronavirus Disease 2019 (COVID-19) pandemic has disproportionately impacted long-term care facilities (LTCFs), revealing vulnerabilities due to residents' advanced age, comorbidities, and facility infrastructures. In Taiwan, the Central Epidemic Control Center implemented a range of strategies to protect LTCF residents. These included early containment measures to allow time for preparing pharmaceutical intervention, the establishment of infection prevention and control guidelines, the implementation of comprehensive screening and testing protocols, the prioritization of vaccination for both residents and staff, and the expansion of the national stockpile of oral antiviral agents.
View Article and Find Full Text PDFExtraction methods, structural features and bioactivity diversity of polysaccharides from the genus Chrysanthemum: A review.
Int J Biol Macromol
January 2025
Department of Pharmacy, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, 637000, P. R. China; School of Pharmacy, North Sichuan Medical College, Nanchong, Sichuan, 637000, P. R. China. Electronic address:
The genus Chrysanthemum has been widely used as both folk medicine and food in East Asia for thousands of years, serving as a significant source of nutritional and pharmacological value. According to the theory of traditional Chinese medicine, it clears heat and toxic materials and regulates liver function. Accumulating evidence has demonstrated that polysaccharides from the genus Chrysanthemum, especially Chrysanthemum morifolium, Chrysanthemum indicum, and Coreopsis tinctoria, are vital representative macromolecules with diverse biological activities, including antioxidant, immunomodulatory, anti-inflammatory, hypoglycemic, antitumor, and antiviral properties as well as the ability to regulate the gut microbiota.
View Article and Find Full Text PDFNovel α-mangostin derivatives as promising antiviral agents: Isolation, synthesis, and evaluation against chikungunya virus.
Eur J Med Chem
December 2024
Department of Natural Products and Medicinal Chemistry, CSIR-IICT Hyderabad, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India. Electronic address:
Investigations into fruit and vegetable processing residues (FVPRs) offer huge opportunities to discover novel therapeutics against many diseases. In this study, detailed investigation of Garcinia mangostana fruit peel extract led to the isolation and identification of ten known compounds (1-10). Further, a new series of α-mangostin derived sulphonyl piperzines, aryl alkynes and 1,2,3-triazole derivatives were synthesized using Huisgen 1,3-dipolar cyclo-addition reaction ("click" chemistry).
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