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Koordinationschemie der Azole
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00010934.pdf | 16.91 MB | Adobe PDF | View/Open |
Other Titles: | Coordination Chemistry Of Azoles | Authors: | Just, Danny J. | Supervisor: | Mews, Rüdiger | 1. Expert: | Mews, Rüdiger | 2. Expert: | Röschenthaler, Gerd-Volker | Abstract: | Tris(azolyl)methylthiolates are obtained in excellent yields via a new synthetic route considering both economic aspects and ease of preparation. Starting from thiophosgene and the silylated azole the bis(azolyl)thioketone is generated and subjected to the addition of a potassium azole anion. An improved synthesis for bis(pyrazolyl)thioketone has enabled the isolation of the intermediate pyrazole-1-carbothioyl-chloride, S=C(Cl)pyrazole, in quantitative yields which in turn has afforded the first asymmetric bis(azole), S=C(pyrazole)(triazole). Tris(azolyl)methylthiolates represent highly reactive nucleophiles that are easily transformed into mono- and bitopic tris(azolyl)methylthio-derivatives. The crystal structures of these compounds and their potential as ligands in coordination chemistry with various transition metals has been studied thoroughly. |
Keywords: | scorpionates, tris(pyrazolyl)methane ligands, 3rd generation ligands, bis(azolyl)thioketones, supramolecular structures | Issue Date: | 25-Jan-2008 | Type: | Dissertation | URN: | urn:nbn:de:gbv:46-diss000109340 | Institution: | Universität Bremen | Faculty: | FB2 Biologie/Chemie |
Appears in Collections: | Dissertationen |
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