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PRODID:https://murmitoyen.com/events/vanille/udem/
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UID:69e2bc664d264
DTSTAMP:20260417T190406
DTSTART:20111118T113000
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20111118T130000
URL:https://murmitoyen.com/events/vanille/udem/detail/68535
LOCATION:Université de Montréal - Pavillon Roger-Gaudry\, 2900\, chemin d
 e la Tour\, Montréal\, QC\, Canada\, H3T 1J6
SUMMARY:Conférence du professeur Charles Scott Weinert (Oklahoma)
DESCRIPTION:Titre : Adventures in Organo-Oligogermane Chemistry.La confére
 nce sera prononcée par le professeur Charles Scott Weinert du départeme
 nt de chimie de l'Oklahoma State University. Elle sera donnée en anglais.
 Résumé : Methods for the synthesis of discrete oligogermanes having ger
 manium – germanium single bonds has\, until recently\, been complicated 
 by the formation of complex mixtures of products and/or low yields\, and t
 his has precluded a detailed survey of the structure/property relationship
 s in these systems. We have developed a method for the rational synthesis
  of these compounds that employs the hydrogermolysis reaction between a ge
 rmanium amide and a germanium hydride\, either alone or in conjunction wit
 h a hydride protection/deprotection strategy.  Using this method\, we hav
 e obtained a library of oligogermanium compounds having a variety of chain
  lengths and substituent patterns\, and both linear and branched systems h
 ave been prepared. We wish to report our recent findings in this area\, a
 nd will discuss the preparation of a series of para-tolyl substituted line
 ar systems as well as several new rare branched compounds having hydride o
 r halide substituents.  Both types of oligogermanes have been characteriz
 ed by UV/visible spectroscopy and cyclic voltammetry\, and we have correla
 ted their spectral and electrochemical data with their structures.     Inf
 ormation supplémentaire
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