Organic Chemistry Portal



Development of Carbazole-Cored Organo-Photocatalyst for Visible Light-Driven Reductive Pinacol/Imino-Pinacol Coupling

Samrat Kundu, Lisa Roy and Modhu Sudan Maji*

*Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India, Email:

S. Kundu, L. Roy, M. S. Maji, Org. Lett., 2022, 24, 9001-9006.

DOI: 10.1021/acs.orglett.2c03600

see article for more reactions


Benzoperylenocarbazole (BPC), a unique carbazole-based organophotocatalyst, is a potent organo-photoreductant. Under irradiation of blue light employing low catalyst loading (0.5 mol %), the reductive coupling of carbonyls and imines gave vicinal diols and diamines in excellent yields.

see article for more examples

proposed mechanism

Key Words

Pinacol Coupling, Vicinal Diamines, Photochemistry, Organocatalysis

ID: J54-Y2022