Fluorine on fluorenes?
Organic & Biomolecular Chemistry Pub Date: 2022-10-24 DOI: 10.1039/D2OB01798A
Abstract
A practical synthesis of 1,8-difluorofluorenone and of its (2,7)-dibromo and (2,4,5,7)-tetrabromo derivatives has been developed. Fluorinated fluorenones are the starting materials for polyhalogenated dibenzochrysenes as well as for geodesic hydrocarbons. 2,7-Dibromo-1,8-difluoro-9H-fluoren-9-one was converted to 3,14-dibromo-4,13-difluorodibenzo[g,p]chrysene through a novel strategy.
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Journal Name：Organic & Biomolecular Chemistry
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CAS no.: 89640-58-4
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