A latent catalyst for the [3+2] cycloaddition reaction of azides and alkynes has been developed in accordance with the principles of Click chemistry.
![A [(NHC)CuCl] complex as a latent Click catalyst](https://www.iciq.org/wp-content/uploads/2014/03/A-NHCCuCl-complex_CC4747.gif)
A latent catalyst for the [3+2] cycloaddition reaction of azides and alkynes has been developed in accordance with the principles of Click chemistry.