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The interest in poly(ionic liquid)s for sensing applications is derived from their strong interactions to a variety of analytes. By combining the desirable mechanical properties of polymers with the physical and chemical properties of ILs, new materials can be created. The tunable nature of both ionic liquids and polymers allows for incredible diversity, which is exemplified in their broad applicability. In this article we examine the new field of poly(ionic liquid) sensors by providing a detailed look at the current state-of-the-art sensing devices for solvents, gases, biomolecules, pH, and anions.

The stressing environmental concerns push us to move traditional organic reactions toward an eco-friendly way. Replacing organic solvents by water seems to be a promising solution yet is very challenging. The main obstacle is the poor solubility of many hydrophobic substrates in water, leading to a restricted accessibility, thus inevitably ending up with low reaction rates. To overcome this problem, we propose a hybrid micelle-like hydrophobic@​hydrophilic nanoreactor formed by a poly­(ionic liquid) (PIL) core and a mesoporous silica shell. This nanoreactor exhibited high activity (TOF up to 414 h–1, 12.9 times of that for a corresponding silica catalyst) and selectivity (100%) in the oxidation of benzyl alcohol to benzaldehyde using water as solvent.

4-Aryl-3-bromo-N-benzylmaleimides and 3,4-biaryl-N-benzylmaleimides have been synthesized by a modified Suzuki cross-coupling reaction from 3,4-dibromo-N-benzylmaleimide. The conformational studies by dynamic NMR and DFT calculations showed that the interconversion barrier between the two available skewed conformations is under steric control. When the aryl group was a 2-methylnaphthyl, thermally stable atropisomers were isolated by enantioselective HPLC and their absolute configurations were assigned by TD-DFT simulations of the ECD spectra.