Chuandong Jia

Area of research

Materials Chemistry · Spectroscopy

Research interest

Research topics from publications: Peripheral Templation‐Modulated Interconversion between an A4L6 Tetrahedral Anion Cage and A2L3 Triple Helicate with Guest Capture/Release; Anion recognition by oligo-(thio)urea-based receptors; Selective binding of choline by a phosphate-coordination-based triple helicate featuring an aromatic box; Chirality sensing of choline derivatives by a triple anion helicate cage through induced circular dichroism; Crown Ether Functionalized Potassium‐Responsive Anionocages for Cascaded Guest Delivery; Less is More: A Shortcut for Anionocages Design Based on (RPO32−)‐Monourea Coordination; Stereoselective Assembly of Hydrogen‐Bonded Anionic Cages Dictated by Organophosphate‐Based Chiral Nodes; Selective recognition of choline phosphate by tripodal hexa-urea receptors with dual binding sites: crystal and solution evidence; Anion binding of tris-(thio)urea ligands; Guest‐Facilitated Heteroleptic Assembly of Helical Anionocages Enables Reversible Chirality Modulation. Representative work: Abstract An anion‐coordination‐based A 4 L 6 (“A” denotes anion and “L” is ligand) tetrahedral cage was constructed by a C 2 ‐symmetric bis‐bis(urea) ligand and phosphate anion, which showed reversible interconversion with the A 2 L 3 triple helicate as a response to the template, concentration, or solvent. Notably, an unusual “peripheral” templation was found to be critical to stabilize the tetrahedral structure. This peripheral effect was utilized to assemble an “empty” A 4 L 6 cage that allows the multi‐stimuli‐controlled capture/release of biologically important species such as choline and acetylcholine Oligo-(thio)ureas have proven to be a promising class of receptors that are widely applied in anion recognition. This article aims to present some recent progress in the construction of oligoureas and their anion coordination (recognition) chemistry. Typical examples of metal-coordination assisted and covalently connected oligo-(thio)urea receptors are summarized, with focus on geometry characteristics required for achieving complementary binding of a target anion. Special emphasis is given to ortho-phenylene-connected oligoureas in the application of anion binding and the self-assembly of important supramolecular architectures, including helicates, tetrahedral cages, and so on

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