Recent advances in photochemical and electrochemically induced thiocyanation: a greener approach for SCN-containing compound formation

Karmaker, Pran Gopal; Alam, Md Asraful; Huo, Feng

Recent advances in photochemical and electrochemically induced thiocyanation: a greener approach for SCN-containing compound formation

2022

Karmaker, Pran Gopal | Alam, Md Asraful | Huo, Feng

Techniques utilizing photo- and electrochemically induced reactions have been developed to accelerate organic processes. These techniques use light or electrical energy (electron transfer) as a direct energy source without using an initiator or reagent. Thiocyanates are found in biologically active and pharmacological compounds and can be converted into various functional groups. It is one of the most prominent organic scaffolds. Significant development in photo- and electro-chemically induced thiocyanation procedures has been made in recent years for the conception of carbon-sulfur bonds and synthesis of pharmaceutically important molecules. This review discusses different photo- and electro-chemically driven thiocyanation C(sp³)–SCN, C(sp²)–SCN, and C(sp)–SCN bond conception processes that may be useful to green organothiocyanate synthesis. We focus on the synthetic and mechanistic characteristics of organic photo- and electrochemically accelerated C–SCN bond formation thiocyanation reactions to highlight major advances in this novel green and sustainable research field.

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