An efficient C-P coupling reaction of enantiopure tert-butylmethylphosphine-boranes with aryl and heteroaryl halides is developed by using Pd(OAc)/dppf as a catalyst, affording a series of (S) or (R)-P-chiral phosphines in moderate to high yields and with ee values up to 99% ee. Moreover, the reaction time could be reduced from 72 h to 6 h with increased ee values under microwave irradiation.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1039/d0cc05340f | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Reverse Osmosis Coupled with Ozonation for Clean Water Recovery from an Industrial Effluent: Technical and Economic Analyses.
Membranes (Basel)
January 2025
Departamento de Ciencias del Agua y Medio Ambiente, Instituto Tecnológico de Sonora, 5 de Febrero 818 sur Col. Centro, Cd. Obregón C.P. 85000, Sonora, Mexico.
Technical and economic criteria were used to evaluate the feasibility of the treatment of an industrial effluent (10 m/h) for water recovery and reuse. The treatment evaluation included the following: (1) effluent characteristic determination; (2) selection and evaluation of the effluent treatment at lab scale, establishing operating conditions and process efficiency; (3) scaling up the treatment process to the industrial level; (4) treatment plant design and commercial availability analysis of the required equipment; and (5) the costs of the inversion and operation of the plant treatment, cost/m for water recovery, and time of investment recovery. The physicochemical characteristics of the effluent exposed the polluted wastewater with sodium chloride salts and colourants, predominating a mixture of tartrazine, Red 40, and brilliant blue from the synthesis of food additives.
View Article and Find Full Text PDFMetal mixtures and adiposity indicators in women from Northern Mexico.
Biometals
January 2025
Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Avenida Universidad 655, Santa María Ahuacatitlán, C. P. 62100, Cuernavaca, Morelos, México.
Exposure to individual metals has been inconsistently associated with adiposity. However, populations are exposed to more than one metal at a time, thus recent studies have been conducted to assess more comprehensively metal exposure through a mixture approach. To explore the association between Body Mass Index (BMI), Waist-Hip Ratio (WHIR) and Waist-Height Ratio (WHER) with urinary metal concentrations, using individual and mixture approaches, as well as identifying the most important metals within the mixtures, in women from Northern Mexico.
View Article and Find Full Text PDFADAMTS4-Specific MR Peptide Probe for the Assessment of Atherosclerotic Plaque Burden in a Mouse Model.
Invest Radiol
January 2025
From the Department of Radiology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany (D.B.M., J.O.K., J.B., A.K., J.M., J.L.H., C.R., M.T., B.H., M.R.M.); Department of Diagnostic and Interventional Radiology, Technical University of Munich, Munich, Germany (D.B.M., J.O.K., J.B., A.K., L.C.A., M.R.M.); Department of Chemistry, Humboldt-Universität zu Berlin, Berlin, Germany (J.O.K.); Division 1.5 Protein Analysis, Federal Institute for Materials Research and Testing, Berlin, Germany (J.O.K., M.G.W.); Department of Biology, Chemistry, and Pharmacy, Institute of Biology, Freie Universität Berlin, Berlin, Germany (A.K.); Department of Veterinary Medicine, Institute of Animal Welfare, Animal Behavior and Laboratory Animal Science, Freie Universität Berlin, Berlin, Germany (J.L.H.); Institute of Inorganic and Analytical Chemistry, University of Münster, Münster, Germany (C.V., P.N., U.K.); Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Berlin, Germany (A.L.); DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany (A.L.); and Division of Cardiology, Massachusetts General Hospital, Harvard University, Boston, MA (W.C.P.).
Introduction: Atherosclerosis is the underlying cause of multiple cardiovascular pathologies. The present-day clinical imaging modalities do not offer sufficient information on plaque composition or rupture risk. A disintegrin and metalloproteinase with thrombospondin motifs 4 (ADAMTS4) is a strongly upregulated proteoglycan-cleaving enzyme that is specific to cardiovascular diseases, inter alia, atherosclerosis.
View Article and Find Full Text PDFMultimodality Imaging Evaluation of Diseases of the Pulmonic Valve and Right Ventricular Outflow Tract for the Adult Cardiologist.
Circ Cardiovasc Imaging
January 2025
Division of Cardiology, Massachusetts General Hospital, Boston. (S.P.M., A.T.-R., A.C.S.S., S.H., C.P.L., T.W.C., D.F.Y., E.Y.).
Disorders of the pulmonic valve (PV) receive considerably less attention than other forms of valvular heart disease. Due to the dramatically improved survival of children with congenital heart disease over the last 5 decades, there has been a steady increase in the prevalence of adults with congenital heart disease, which necessitates that clinicians become familiar with the anatomy and the evaluation of right ventricular outflow tract and PV anomalies. A multimodality imaging approach using echocardiography, cardiac computed tomography, and magnetic resonance imaging is essential for a comprehensive evaluation of the anatomy and function of the right ventricular outflow tract, PV, and supravalvular region.
View Article and Find Full Text PDF[Clinical and genetic characteristics analysis of two children with comorbidity of two rare genetic diseases].
Zhonghua Yi Xue Yi Chuan Xue Za Zhi
October 2025
Department of Pediatric Neurology, the Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China.
Objective: To explore the clinical and genetic characteristics of two children diagnosed with two rare genetic diseases simultaneously.
Methods: Two children with comorbidity of two genetic diseases due to dual genetic mutations diagnosed at the Third Affiliated Hospital of Zhengzhou University respectively in May 2022 and March 2023 were selected as the study subjects. Clinical and genetic data of the two children were retrospectively analyzed.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!