全氟丁烷膦酸

全氟丁烷膦酸或称为九氟丁基膦酸（）是一种有机磷化合物，化学式为C4H2F9O3P。它可由全氟丁基溴化镁和三溴化磷在−78 °C的乙醚中反应，再经过氧化氢氧化制得Adil I. Hosein; et al. Reaction of Perfluoroalkyl Grignard Reagents with Phosphorus Trihalides: A New Route to Perfluoroalkyl-phosphonous and -phosphonic Acids. Inorg. Chem. 2011, 50, 4, 1484–1490. .。它可通过和对甲苯胺成盐后重结晶的方式进行提纯。它和苯基四氯化磷反应，可以得到全氟丁基二氯氧磷Ignatyev, Nikolai (mykola); Aust, Emil Ferdinand; Bejan, Dana; Willner, Helge. Process for preparation of fluoroalkyl phosphinic and phosphonic chlorides by chlorination of fluoroalkyl phosphinic and phosphonic acids by aryltetrachlorophosphorane. 2010. WO2010009791 A1.。

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Category:膦酸