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In chemistry, a selone (also known as a selenoketone) is the structural analog of a ketone where selenium replaces oxygen. Their primary application is for chemical analysis.
Selenium-77 is one of the isotopes of selenium that is Natural isotopes, so selenoketone-containing chemicals can be analyzed by nuclear magnetic resonance spectroscopy (NMR). Selones can be used as chiral derivatizing agents for 77Se-NMR. Chiral oxazolidineselones can be used for stereoselective control of , analogous to the Evans aldol reaction that uses , which allows 77Se-NMR to be used to determine the diastereomeric ratio of the aldol product.
Selenobenzophenone reversibly dimerizes. It is known to undergo cycloaddition with 1,3-dienes in reactions similar to the Diels-Alder reactions.
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