In the title compound, C(22)H(18)N(2)O, the pyrazole ring is almost planar (r.m.s. deviation = 0.0098 Å) and its mean plane makes dihedral angles of 62.2 (2), 87.2 (2) and 8.0 (2)° with the phenyl and benzoyl rings, respectively. The crystal packing is stabilized by π-π stacking inter-actions [centroid-centroid distance = 3.658 (2) Å] and weak inter-molecular C-H⋯O hydrogen bonds.
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http://dx.doi.org/10.1107/S1600536811003631 | DOI Listing |
PLoS One
January 2025
Division of Neurology, Department of Medicine, The Ottawa Hospital, Ottawa, Ontario, Canada.
Background: Aeromedical transfer of patients with ischemic stroke to access hyperacute stroke treatment is becoming increasingly common. Little is known about how rapid changes of altitude and atmospheric pressure can impact cerebral perfusion and ischemic burden. In patients with ischemic stroke, there is a theoretical possibility that this physiologic response of hypoxia-driven hyperventilation at higher altitude can lead to a relative drop in PaCO2.
View Article and Find Full Text PDFImportance: Fragility fractures result in significant morbidity.
Objective: To review evidence on osteoporosis screening to inform the US Preventive Services Task Force.
Data Sources: PubMed, Embase, Cochrane Library, and trial registries through January 9, 2024; references, experts, and literature surveillance through July 31, 2024.
J Patient Rep Outcomes
January 2025
Division of Oral Surgery and Orthodontics, Department of Dental Medicine and Oral Health, Medical University of Graz, Graz, Austria.
Purpose: Zirconia dental implants show excellent biocompatibility and tissue integration, low affinity for plaque, and favorable biomechanical properties. However, these objective measures do not adequately replicate the patient's perception. This systematic review evaluated the evidence on patient-reported outcome (PROs) in zirconia dental implant treatment.
View Article and Find Full Text PDFAlzheimers Dement
January 2025
Center for Artificial Intelligence in Drug Discovery, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA.
Heliyon
January 2025
Faculty of Medicine and Medical Sciences, University of Balamand, Kalhat, Lebanon.
Background: Transvenous pacemakers (TVP) and leadless pacemakers (LP) are two reliable permanent modalities for the treatment of heart rhythm disorders. Several observational studies explored the safety and efficacy of the two devices. The aim of this meta-analysis study is to present a comparative analysis of the safety of leadless versus transvenous pacemakers.
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