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CATEGORIES:Conferences/Seminars/Lectures
DESCRIPTION:Boron-Doped Acenes for the Redox Activation of Small Molecules:
 \n\n \n\nOrganoboranes have emerged as an important ligand class in transit
 ion metal chemistry. As Lewis acids\, organoboranes engage in Z-type or ret
 rodative interactions with electron-rich transition metals\, and the unique
  characteristics of these interactions can enable new catalysis and/or the 
 stabilization of electronically unusual species. We have developed a class 
 of ligands based on diboraanthracene that feature such interactions. In par
 ticular\, they enable the stabilization of a unique complex of gold(–1)\, o
 r auride\, that can be reversibly oxidized to the analogous gold(+1) comple
 x via an intermediate state consisting of a borane radical anion and gold(+
 1) center. Interestingly\, this auride species reacts primarily at the boro
 n sites via either nucleophilic attack or cycloaddition chemistry to enable
  the activation of a wide range of substrates including H2O\, CO2\, and org
 anic carbonyls. In some cases\, transformed substrates can be liberated to 
 regenerate the gold complex. We will also discuss the extension of this che
 mistry to a novel platinide species (Pt(-2)) as well as second generation l
 igand platforms.
DTEND:20230301T221500Z
DTSTAMP:20260309T053855Z
DTSTART:20230301T211500Z
LOCATION:Harvard Campus\, Pfizer Lecture Hall
SEQUENCE:0
SUMMARY:W. Hill Harman (UC Riverside) - Harvard-MIT Inorganic Chemistry Sem
 inar
UID:tag:localist.com\,2008:EventInstance_40607446140849
URL:https://calendar.mit.edu/event/w_hill_harman_uc_riverside_-_harvard-mit
 _inorganic_chemistry_seminar
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