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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:

J. Zheng, X. Dong, T. P. Yoon, Org. Lett., 2020, 22, 6510-6515.

DOI: 10.1021/acs.orglett.0c02314

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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.

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Key Words

Paternò-Büchi reaction, oxetanes, benzocyclobutenes

ID: J54-Y2020