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Molecules
December 2024
Departamento de Química Orgánica I, Facultad de Farmacia and Centro de Investigación Lascaray (Lascaray Research Center), Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain.
The synthesis of phosphorous indenoquinolines and their biological evaluation as topoisomerase 1 (TOP1) inhibitors and antiproliferative agents were performed. First, the preparation of new hybrid 5-indeno[2,1-]quinolines with a phosphine oxide group was performed by a two-step Povarov-type [4+2]-cycloaddition reaction between the corresponding phosphorated aldimines with indene in the presence of BF·EtO. Subsequent oxidation of the methylene present in the structure resulted in the corresponding indeno[2,1-]quinolin-7-one phosphine oxides .
View Article and Find Full Text PDFBMC Pediatr
December 2024
Pediatric Nursing Department, Faculty of Nursing, Benha University, Benha, Egypt.
Background: Aluminum phosphide is an excellent insecticide available as a chalky white or brown tablet. Aluminum phosphide is traded in the Egyptian market as tablets under the brand name celphos. To date, no specific antidotes for aluminum phosphide poisoning have been identified.
View Article and Find Full Text PDFJ Med Case Rep
December 2024
Department of Internal Medicine, Woldia Comprehensive Specialized Hospital, Woldia, Ethiopia.
Introduction: Aluminum phosphide is a cheap and commonly used rodenticide that is also an effective solid fumigant and frequently used for grain preservation. The pill contains around 44% inert elements (ammonium carbonate) to avoid disintegration of the tablet, while the rest (about 56%) is aluminum phosphide. Because it is freely available on the market, it is one of the commonly used agents for self-poisoning in different parts of the developing world.
View Article and Find Full Text PDFEnviron Sci Technol
December 2024
MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
Industrial activities are a major source of organophosphorus flame retardants (OPFRs) and plasticizers in aquatic environments. This study investigated the distribution of 40 OPFRs in a river impacted by major industrial manufacturing plants in Eastern China by target analysis. Nontarget analysis using high-resolution mass spectrometry was further employed to identify novel organophosphorus compounds (NOPs).
View Article and Find Full Text PDFMutat Res Genet Toxicol Environ Mutagen
December 2024
School of Pharmacy, Federal Fluminense University, Niteroi, RJ, Brazil; National Institute for Alternative Technologies for the Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), UNESP, Institute of Chemistry, Araraquara, SP, Brazil.
Flame retardants, crucial for fire prevention, are used worldwide, but they are considered to be 'emerging contaminants' and may pose risks to human and environmental health. Aluminum diethyl phosphinate (ALPI) is a halogen-free flame retardant. To evaluate the toxicity of this compound, the following assays were performed: Salmonella/microsome mutagenicity assay; toxicity assays with two endpoints (mitochondrial dehydrogenase activity, plasma membrane integrity); micronucleus assay with human hepatoma cell line HepG2.
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