Visible-light-induced radical switching using benzothiazolyl sulfides for geminal carbon–carbon bond formation
Naoya Hasegawa, Kahono Shibata, Haruto Hijikata and Tetsuya Sengoku
Chemical Communications, 2025, 61, 9610-9613. (DOI: 10.1039/D5CC01998B) 

The 2-benzothiazolylthio group functions as an auxiliary for radical switching.