Design of Electrophoretic and Biocompatible Poly(2-oxazoline)s Initiated by Perfluoroalkanesulfoneimides and Electrophoretic Deposition with Bioactive Glass
N-Methyl bis[(nonafluorobutane)sulfonyl]imide (Nf2NMe) was synthesized to serve as an initiator for polymerization of 2-oxazolines and the polymerization activity and control of molecular weight were compared with conventional methyl triflate (TfOMe). Ring-opening polymerization of the vinyl-containing 2-oxazoline, 2-(3-butenyl)-2-oxazoline, and a subsequent thiol-ene click reaction and oxidation resulted in the successful synthesis of electrophoretic poly(2-oxazoline)s containing pendent sulfone. It was possible to coat the polymeric sulfones obtained via oxone oxidation (conversion, >99%) on a stainless-steel anode selectively. Furthermore, hybridization of the poly(2-oxazoline)s with bioactive glass (Bioglass45S5) by electrophoretic deposition (EPD) was investigated, and the biocompatibility of the hybrid was also evaluated. (Figure Presented)
FLUORINE-CONTAINING N-ALKYLSULFONYLIMIDE COMPOUND, MANUFACTURING METHOD THEREFOR, AND METHOD OF MANUFACTURING AN IONIC COMPOUND
According to the method for producing fluorine-containing N-alkylsulfonylimide compound, the fluorine-containing N-alkylsulfonylimide compound can be produced safely with a high recovery rate by alkylating fluorine-containing sulfonylimide acid or fluorine-containing sulfonylimide acid salt with dialkylsulfuric acid or dialkylcarbonic acid.
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Page/Page column 6
(2012/02/03)
Direct methylation and trifluoroethylation of imidazole and pyridine derivatives
Direct methylation or trifluoroethylation of imidazole and pyridine derivatives using N-methyl bis((perfluoroalkyl)sul-fonyl)imides or trifluoroethyl phenyliodonium bis((trifluoromethyl)sulfonyl)imide affords high yields of the corresponding salts. This methodology provides a simple route to a variety of room temperature ionic liquids (RTILs).
Zhang, Jie,Martin, George Robert,DesMarteau, Darryl D.
p. 2334 - 2335
(2007/10/03)
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