Copper(II)sulfate can be used as a catalyst for the:
- Alcoholysis of wheat straw into methyl levulinate.
- Selective oxidation of amines to imines in the presence of hydrogen peroxide as an oxidant.
- Synthesis of 1,2,3-triazoles via Click reactions of azides and alkynes.
- Microwave-assisted Huisgen-type cycloaddition to synthesize modified poly(N-vinylpyrrolidone).