Journal
CHEMICAL COMMUNICATIONS
Volume 55, Issue 12, Pages 1706-1709Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc06715e
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Funding
- National Science Foundation [CHE-1255270, CHE-1709921]
- University of Connecticut Research Excellence Program
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Ground-state atomic oxygen [O(3P)] is an oxidant whose formation in solution was proposed but never proven. Polymer nanocapsules were used to physically separate dibenzothiophene S-oxide (DBTO), a source of O(3P), from an O(3P)-accepting molecule. Irradiation of polymer nanocapsules loaded with DBTO resulted in oxidation of the O(3P)-acceptor placed outside nanocapsules. The results rule out a direct oxygen atom transfer mechanism and are consistent with freely diffusing O(3P) as the oxidant.
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