نتایج جستجو برای: vilsmeier haack reaction
تعداد نتایج: 412538 فیلتر نتایج به سال:
Glycogen phosporylase (GP) is a promising target for the control of glycaemia. The design of inhibitors binding at the catalytic site has been accomplished through various families of glucose-based derivatives such as oxadiazoles. Further elaboration of the oxadiazole aromatic aglycon moiety is now reported with 3-glucosyl-5-amino-1,2,4-oxadiazoles synthesized by condensation of a C-glucosyl am...
Janet M. Mullington, PhD1; Sabra M. Abbott, MD, PhD2; Judith E. Carroll, PhD3; Christopher J. Davis, MS, PhD4; Derk-Jan Dijk, PhD5; David F. Dinges, PhD6; Philip R. Gehrman, PhD7; Geoffrey S. Ginsburg, MD, PhD8; David Gozal, MD, MBA9; Monika Haack, PhD1; Diane C. Lim, MD10; Madalina Macrea, MD, MPH, PhD11,12; Allan I. Pack, MBChB, PhD, FRCP13; David T. Plante, MD14; Jennifer A. Teske, PhD15; Ph...
in Shock Waves by means of a Spectral-Lagrangian Boltzmann Solver Alessandro Munafò∗, Jeffrey R. Haack, Irene M. Gamba∗∗ and Thierry E. Magin∗ ∗Aeronautics/Aerospace department, von Karman Institute for Fluid Dynamics, Chaussée de Waterloo 72, 1640 Rhode-Saint-Genèse, Belgium Department of Mathematics, The University of Texas at Austin, 201 E. 24th Street, Austin, TX 78712, USA ∗∗Department of ...
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
in this thesis, a better reaction conditions for the synthesis of spirobarbiturates catalyzed by task-specific ionic liquid (2-hydroxy-n-(2-hydroxyethyl)-n,n-dimethylethanaminium formate), calcium hypochlorite ca(ocl)2 or n-bromosuccinimide (nbs) in the presence of water at room temperature by ultrasonic technique is provided. the design and synthesis of spirocycles is a challenging task becaus...
In this paper we report the synthesis and biological evaluation of a new class of 2-phenyl-2,5-dihydro-pyrazolo[4,3-c]quinolin-4-ones as A(3) adenosine receptor antagonists. We designed a new route based on the Kira-Vilsmeier reaction for the synthesis of this class of compounds. Some of the synthesized compounds showed A(3) adenosine receptor affinity in the nanomolar range and good selectivit...
In this paper, the physical optics method is used to study the problem of electromagnetic scattering from Haack series nose cone. First, a meshing scheme is introduced which approximates the curvature of the surface by piecewise linear functions in both axial and rotational directions. This results in planar quadrilateral patches and enables efficient determination of the illuminated region and...
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