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Abstract
Introduction of a halogen atom at the middle carbon atom of cyclic 1,3-diketones is described. A convenient approach for constructing the spiro[4.4]nonane system of fredericamycin A has been demonstrated by halogen transfer during radical cyclization followed by reductive elimination of the halogen atom. The configuration of the bromo compound 6b was confirmed by X-ray crystal structure analysis.
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Schedule a callMore From: Journal of the Chemical Society, Perkin Transactions 1
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