An efficient rhodium(III)-catalyzed C-H activation and subsequent conjugate addition was achieved under mild conditions. The reaction utilized inert arenes to replace stoichiometric organometallic reagents and can tolerate various functional groups as well as air and water.

Simple alkyl-substituted pillar[5]arenes can form stable interpenetrated complexes with neutral bis(imidazole) guests utilizing multiple C-H···O(N) hydrogen bond and C-H···π interactions.

The cascade reactions of 1-arenoylcyclopropanecarboxylic acids with arenes proceed smoothly in freshly distilled HOTf to give the corresponding tetrahydro-5H-benzo[c]fluorene derivatives in good yields along with high stereoselectivities under mild conditions.

Inherently chiral biscalix[4]arenes have been designed and synthesized by covalently assembling two calix[4]arene building blocks in a 1,3-position linking with 1,2-position pattern at the lower rims via two triethylene glycol bridges.

A methyl ketone accelerates the Pd-catalyzed C–H activation of simple arenes. noninnocent solvent, it reacts in a reversible way without affecting outcome reaction.

A series of the functionalised pillar[5]arene ureidopyrimidinone derivatives were successfully synthesised by condensation reaction mono-amido-functionalised pillar[5]arenes with 2-(1-Imidazolylcarbonylamino)-6-methyl-4-pyrimidinone in dry chloroform. 1H NMR, 2D NOESY spectra and single crystal structure clearly indicated that novel [1]rotaxanes formed insertion longer alkylene chain into cavit...

A couple of novel triptycene-derived calix[6]arenes with fixed conformations were synthesized, and shown to form tubular assemblies with aromatic rings as the walls and phenolic hydroxyl groups situated in the cavities, in the solid state.

Pd nanoparticles generated in green reaction media (viz. ionic liquids and water) catalyze the one-pot sequential Heck and Suzuki coupling reactions of bromo-chloroarenes to afford unsymmetrically substituted arenes in good yields.

The syntheses of representative examples of five classes of new heterocyclic ligands are described. These include N,N'-chelating bis-heterocycles, binucleating ligands, cyclometallated compounds, chiral ligands and a family of polyheteroaryl-linked arenes.