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X-WR-CALNAME;VALUE=TEXT:Professor David Powers
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SUMMARY:Professor David Powers
DESCRIPTION:<p>	<strong>Making, Seeing, and Using Subvalent Nitrogen Species</strong></p><p style="text-align:justify">	Direct C–H amination chemistry via electrophilic subvalent nitrogen intermediates could radically simplify access to nitrogen-containing small molecules by providing the chemical tools to selectively convert ubiquitous C–H bonds to valuable C–N bonds. At present, challenges in chemoselectivity, sustainability, and synthetic versatility prevent realization of the synthetic potential of C–H amination. This talk will describe recent efforts that advance 1) new strategies to structurally characterize transient intermediates in C–H functionalization reactions, 2) novel metal-free approaches to the sustainable generation of strong oxidants needed in C–H functionalization reactions, and 3) bifunctional reagent platforms that enable rapid elaboration of the primary products of C–H amination. Future directions and challenges will be discussed.</p>
LOCATION:MIT _ Room 2-105
STATUS:CONFIRMED
DTSTART:20230208T211500Z
DTEND:20230208T221500Z
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