Copper nitride nanoparticles supported on a superparamagnetic mesoporous microsphere for toxic-free click chemistryElectronic supplementary information (ESI) available: Synthesis and reaction details, magnetization curves, X-ray photoemission spectra. See DOI: 10.1039/c001255f

Copper nitride nanoparticles supported on a mesoporous superparamagnetic silica microsphere exhibit superior activity toward the Huisgen cycloaddition of azides and alkynes. The nitride catalyst offers significant advantages over homogeneous Cu catalysts. [ABSTRACT FROM AUTHOR]