نتایج جستجو برای: a3 coupling
تعداد نتایج: 159603 فیلتر نتایج به سال:
Adenosine has been reported to stimulate or inhibit the release of angiogenic factors depending on the cell type examined. To test the hypothesis that differential expression of adenosine receptor subtypes contributes to endothelial cell heterogeneity, we studied microvascular (HMEC-1) and umbilical vein (HUVEC) human endothelial cells. Based on mRNA level and stimulation of adenylate cyclase, ...
This deliverable summarizes the results and experiences of working group A3 on establishing personalization strategies in the Semantic Web by presenting best practices for personal information systems in the Semantic Web. It builds on the work reported in Deliverables A3-D1 to A3-D9 which have investigated on necessary theoretical foundations (Deliverables A3-D1, A3D4 and A3-D7), Prototypes and...
The high-resolution three-dimensional structure of the plant toxin viscotoxin A3, from Viscum album L., has been determined in solution by (1)H NMR spectroscopy at pH 3.6 and 12 degrees C (the structure has been deposited in the Protein Data Bank under the id. code 1ED0). Experimentally derived restraints including 734 interproton distances from nuclear Overhauser effect measurements, 22 hydrog...
A formal homogeneous gold-catalyzed A3-coupling, starting from benzyl alcohols, is reported for the straightforward synthesis of propargylamines. This first process where these highly valuable compounds have been synthesized, corresponding alcohols in a one-pot oxidation procedure using MnO2, followed by HAuCl4·3H2O catalyzed multicomponent reaction. The final products are obtained with very go...
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