Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 115, Issue 23, Pages 5866-5871Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1804035115
Keywords
microwave spectroscopy; reactive intermediate; molecular precursor; astrochemistry; sulfur monoxide
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Funding
- National Science Foundation (NSF) [CHE-1664799]
- Alexander von Humboldt Foundation
- NSF Instrument Development for Biological Research Program NSF [134076-5101408]
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Sulfur monoxide (SO) is a highly reactive molecule and thus, eludes bulk isolation. We report here on synthesis and reactivity of a molecular precursor for SO generation, namely 7-sulfinylamino- 7-azadibenzonorbornadiene (1). This compound has been shown to fragment readily driven by dinitrogen expulsion and anthracene formation on heating in the solid state and in solution, releasing SO at mild temperatures (<100 degrees C). The generated SO was detected in the gas phase by MS and rotational spectroscopy. In solution, 1 allows for SO transfer to organic molecules as well as transition metal complexes.
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