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Microwave-Assisted Palladium-Catalyzed Crossover-Annulation: Access to Fused Polycyclic Benzofuran Scaffolds.
Org Lett
December 2024
Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi 502 284, Sangareddy District, Telangana, India.
This study demonstrates quick access to heteroatom-embodied complex fused polycyclic frameworks through a palladium-catalyzed domino process facilitated by microwave-assisted crossover annulation of -alkynylarylhalides and dihydrobenzofurans derivatives. The overall success of this process lies in the careful design of dihydrobenzofuran precursors that direct the initial palladium-mediated annulation step to proceed in a highly regioselective manner to furnish a single regioisomeric product. Notably, this one-pot method has witnessed good substrate scope and has furnished products with excellent yields.
View Article and Find Full Text PDFKlippel-Trenaunay syndrome and chiari I malformation. A case report and systematic review of the literature.
Brain Spine
November 2024
Neurosurgical Department, "KAT" General Hospital of Athens, Greece.
Introduction: Klippel-Trenaunay Syndrome (KTS) is a rare congenital condition characterized by vascular malformations, bone abnormalities, and limb overgrowth. The genetic basis of KTS is not fully understood, and the diagnosis relies on clinical features. Its clinical spectrum includes several neurosurgical diagnoses, such as cavernous hemangiomas, arteriovenous fistulas, and Chiari I malformation.
View Article and Find Full Text PDFLevels and Spatial Patterns of Effective Population Sizes in the Southern Damselfly (): On the Need to Carefully Interpret Single-Point and Temporal Estimations to Set Conservation Guidelines.
Evol Appl
December 2024
Univ. Lille, CNRS, UMR 8198-Evo-Eco-Paleo Lille France.
The effective population size ( ) is a key parameter in conservation and evolutionary biology, reflecting the strength of genetic drift and inbreeding. Although demographic estimations of are logistically and time-consuming, genetic methods have become more widely used due to increasing data availability. Nonetheless, accurately estimating remains challenging, with few studies comparing estimates across molecular markers types and estimators such as single-sample methods based on linkage disequilibrium or sibship analyses versus methods based on temporal variance in allele frequencies.
View Article and Find Full Text PDFPrenatal diagnosis of clinodactyly and its association with genetic syndromes: A case report.
Case Rep Womens Health
December 2024
Department of Obstetrics and Gynecology, University Hospital of Ioannina, Ioannina, Greece.
A curvature of a finger that bends inwards relative to the other fingers is a common observation during prenatal screening. When the angulation exceeds 10 degrees, it is known as "clinodactyly" and could suggest a variety of underlying issues. Even though it usually remains unnoticed during pregnancy, it may be a sign of serious fetal disease.
View Article and Find Full Text PDFIntraoperative Hemodynamic Instability in a Patient With Ebstein's Anomaly Complicated With Eisenmenger Syndrome.
Case Rep Cardiol
December 2024
Department of Anesthesiology and Pain Management, Cleveland Clinic, Cleveland, Ohio, USA.
Ebstein's anomaly is a rare congenital displacement of the tricuspid valve resulting in atrialization of the right ventricle. About half of the patients with Ebstein's anomaly also have atrial septal defects, which may lead to chronic shunting and development of Eisenmenger syndrome. We describe a case of a sexagenarian male patient with a history of Ebstein's anomaly complicated with Eisenmenger syndrome undergoing robotic laparoscopic adrenalectomy who presented hemodynamic instability, hypoxemia, and likely right-to-left shunting intraoperatively, as well as the actions taken to correct it and have a successful outcome.
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