Divergent Photocatalytic Reactions of α-Ketoesters under Triplet Sensitization and Photoredox Conditions
Jian Zheng, Xiao Dong and Tehshik P. Yoon*
*Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States, Email: tyoonchem.wisc.edu
J. Zheng, X. Dong, T. P. Yoon, Org. Lett., 2020, 22, 6510-6515.
see article for more reactions
The photocatalytic reactions of benzoylformate esters with alkenes can be directed toward either Paternò-Büchi cycloadditions or allylic functionalization reactions under conditions favoring energy transfer or electron transfer, respectively.
see article for more examples
Paternò-Büchi reaction, oxetanes, benzocyclobutenes