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Citation link: http://nbn-resolving.de/urn:nbn:de:gbv:46-diss000109340
00010934.pdf
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Koordinationschemie der Azole


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00010934.pdf16.91 MBAdobe PDFView/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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