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UID:20260613T011158EDT-7357W4NUiI@132.216.98.100
DTSTAMP:20260613T051158Z
DESCRIPTION:The modern chemical industry is still largely based on petroche
 mical feedstocks\, whose limited availability and environmental impact pos
 e major challenges for a sustainable future. In contrast\, renewable resou
 rces such as biomass differ fundamentally in composition\, functionality\,
  and reactivity. Achieving a transition towards a sustainable chemical ind
 ustry therefore requires not only new processes\, but also the development
  of new catalyst concepts that are specifically tailored to these alternat
 ive feedstocks.\n\nIn this context\, polyoxometalates (POMs) represent a h
 ighly attractive and versatile class of molecular catalysts. They are anio
 nic molecular clusters composed of transition metals linked by oxo ligands
 \, frequently centred around a p-block heteroelement. Their well-defined s
 tructures\, combined with exceptional compositional and structural flexibi
 lity\, allow systematic tuning of catalytic properties. This talk will hig
 hlight selected synthetic strategies for tailoring POMs\, including variat
 ion of the heteroelement\, partial substitution within the metal–oxide fra
 mework\, immobilisation molecular POMs on solid supports. Through these me
 thods\, POMs can be designed to provide specific catalytic functions such 
 as Brønsted acidity\, redox activity\, or bifunctional behaviour.\n\nBuild
 ing on these design principles\, this contribution will present selected e
 xamples of POM-based catalysts and their application in sustainable chemic
 al transformations. Case studies will include the conversion of biomass-de
 rived sugars to lactic acid\, the catalytic hydrogenation of lactic acid\,
  and the use of supported POM catalysts in fixed-bed reactor systems for t
 he direct conversion of COâ‚‚ and Hâ‚‚ to dimethyl ether. Together\, these exa
 mples illustrate how molecular design\, synthetic control\, and catalyst i
 mmobilisation can be combined to develop tailored POM systems for renewabl
 e feedstocks\, green chemical processes\, and more practical catalytic tec
 hnologies.\n
DTSTART:20260602T183000Z
DTEND:20260602T193000Z
LOCATION:OM 321\, Ruttan room\, Maass Chemistry Building\, CA\, QC\, Montre
 al\, H3A 0B8\, 801 rue Sherbrooke Ouest
SUMMARY:³ÉÈËVRÊÓƵ Seminar - Maximilian J. Poller: New Catalysts for Renewable 
 Feedstocks: Polyoxometalates in Sustainable Chemistry
URL:/chemistry/channels/event/mcgill-seminar-maximilia
 n-j-poller-new-catalysts-renewable-feedstocks-polyoxometalates-sustainable
 -373218
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