A  new class of functional imidazolium-based, gemini surfactants has been  synthesized. The two charged imidazolium units that act as hydrophilic headgroups surround a ketone with an  enhanced chemical equilibrium that readily favors the hydrate or enol  form in mildly basic or acidic aqueous media. This reversible  equilibrium opens the door to the design of chemically dynamic  micelles and ordered lyotropic liquid crystal (LLC) phases capable of  responding to changes in the pH of the surrounding solvent environment.   The design and synthesis of these new responsive gemini imidazolium  surfactants and the effect of the reversible equilibrium  on their micelle and LLC phase formation will be discussed.

Functionalized imidazolium-based gemini surfactants capable of a reversible, pH dependent response

244th National Meeting (2012)

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