Generation of ortho-SF5-Benzyne and Its Diels-Alder Reactions with Furans: Synthesis of 1-SF5-Naphthalene, Its Derivatives, and 1,6(1,7)-Bis-SF5-naphthalenes.

Abstract

Generation of ortho-SF5-benzyne was achieved by a lithiation/elimination sequence starting from 2-fluoro-SF5-benzene. The highly reactive ortho-SF5-benzyne intermediate was trapped by furan or 2-methylfuran in situ, and the obtained stable Diels-Alder adducts were subjected to the series of further chemical transformation, which led to the formation of… (More)

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