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Fujimoto, Hayato; Kusano, Momoka; Kodama, Takuya; Tobisu, Mamoru
Organic letters, 03/2020, Letnik: 22, Številka: 6Journal Article
We report on a method for the synthesis of fluorinated dibenzophospholes using triarylphosphine via dearylative annulation with an aryne. This intermolecular annulation allows the preparation of a variety of fluorinated dibenzophospholes from simple building blocks. The key to the success of this dearylative annulation is the formation of a five-coordinated tetraarylfluorophosphorane. In this work, we successfully synthesized stable tetraarylfluorophosphorane, the structure of which was unambiguously determined by X-ray crystallography.
