Electrochemical multicomponent synthesis of 4-selanylpyrazoles under catalyst- and chemical-oxidant-free conditions

An electrochemical multicomponent reaction was established under catalyst-, chemical-oxidant-free and mild conditions, which provides an eco-friendly and simple protocol for constructing 4-selanylpyrazoles. A broad range of 4-selanylpyrazole derivatives could be obtained from easily available raw materials in good to excellent yields.

Automated summary

An electrochemical multicomponent reaction was developed for the construction of 4-selanylpyrazoles under catalyst- and chemical-oxidant-free conditions, providing a green and straightforward protocol. A variety of 4-selanylpyrazole derivatives were synthesized from readily available raw materials with good to excellent yields.