Synthesis and phosphonate binding of guanidine-functionalized fluorinated amphiphiles
2012
Abstract We report herein convenient procedures for the use of highly fluorinated α,ω-diols (e.g. 1 ) as building blocks for the rapid assembly of amphiphilic materials containing a fluorous phase region. We describe expedient conversion of the parent diols to both symmetrically and asymmetrically substituted amphiphiles via the installation of an intermediate trifluoromethanesulfonyl ester. These sulfonate esters are versatile and easily manipulated intermediates, which can be readily converted to a variety of nitrogen, halogen, and carbon groups. Moreover, we show that for guanidine-terminated fluorous amphiphiles, these molecules can bind phosphonic acid groups in aqueous media. Thus, these materials offer a new strategy for decorating phosphorylated biomolecules with fluorine-rich coatings.
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