A short stereoselective formal total synthesis of (+/-)-podophyllotoxin has been carried out from a sulfoxide, using a one-pot tandem conjugate addition/aldol/electrophilic aromatic substitution reaction to form a tetralin, which was converted into picropodophyllin in two steps.
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http://dx.doi.org/10.1039/b312245j | DOI Listing |
Sleep Breath
January 2025
Department of Pulmonary and Critical Care Medicine, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, No.1 Da Hua Road, Dong Dan, Dongcheng District, Beijing, 100730, PR China.
Purpose: To investigate the relationship between obstructive sleep apnea hypopnea syndrome (OSAHS) severity and fat, bone, and muscle indices.
Methods: This study included 102 patients with OSAHS and retrospectively reviewed their physical examination data. All patients underwent polysomnography, body composition analysis, dual-energy X-ray absorptiometry, computed tomography (CT) and blood test.
J Man Manip Ther
January 2025
Graduate Studies in Health & Rehabilitation Sciences, Des Moines University, Youngstown, OH, USA.
Background: Neck pain is common among people with headache, including migraines, tension headache, and cervicogenic headache. Neck pain has also been associated with self-reported sinus headache in individuals who were not formally diagnosed with headache attributed to rhinosinusitis (HAR). Neck pain, in individuals diagnosed with HAR according to the International Classification of Headache Disorders, has not been investigated.
View Article and Find Full Text PDFBMC Oral Health
January 2025
Department of Maxillofacial Pathology, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
Background: Aurora kinase A (AurkA) plays a vital role in mitosis and is therefore critical in tumors development and progression. There are a few studies on AurkA expression in salivary gland tumors. The aim of the present study was to evaluate the expression pattern of AurkA in the most common benign and malignant salivary gland tumors by immunohistochemistry.
View Article and Find Full Text PDFBMC Plant Biol
January 2025
Key Laboratory of National Forestry and Grassland Administration on Plant Ex Situ Conservation, Beijing Floriculture Engineering Technology Research Centre, Beijing Botanical Garden, Beijing, 100093, China.
Malania oleifera Chun et S.K. Lee is a woody oil tree species and is rich in nervonic acid, which is associated with brain development.
View Article and Find Full Text PDFBackground: Healthcare professionals face numerous challenges regarding the delivery of care. Creating solutions to these challenges is imperative to improve the quality and safety of care to positively impact patient outcomes. However, health professional students rarely receive formal training regarding systems thinking during didactic components of their professional training.
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