Molecules 2011-01-01

Perfluoro Allyl fluorosulfate (FAFS): a versatile building block for new fluoroallylic compounds.

Ivan Wlassics, Vito Tortelli, Serena Carella, Cristiano Monzani, Giuseppe Marchionni

Index: Molecules 16 , 6512, (2011)

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Abstract

In this study we will present and discuss both the synthesis of CF(2) = CFCF(2)OSO(2)F (perfluoroallyl fluorosulfate, FAFS), focusing in particular on the important role of C(3)F(6)/SO(3) ratio, reaction temperature and boron catalyst/SO(3) ratio on FAFS' yield and selectivity, as well as a wide variety of ionic and radical reactions possible with FAFS. We focused our attention on reactions of FAFS with aliphatic and aromatic alcohols, acyl halides, halides, H(2)O(2), ketones and radicals whose synthesis and reaction mechanisms will be presented and discussed. Particular attention will be devoted to the novel diallyl-fluoroalkyl peroxide obtained. Factors such as pK(a) and Lowry and Pearson's Hard/Soft Acid-Base Theory which determine the selectivity between Addition/Elimination vs. Nucleophilic Substitution reaction mechanisms on FAFS will also be presented and discussed.

Related Compounds

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