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8. Photoredox-Catalyzed Alkene Amination: C(sp2)–H/N–H Radical–Radical Cross Dehydrogenative Coupling

Author

Jin, Chen, Ning, Cailin, Sui, Yating, Zhang, Bingxin, Li, Xinxin, Pan, Ling, Liu, Qun, and Li, Yifei

Abstract

Direct alkene C–H/N–H cross dehydrogenative coupling is an infrequent, highly challenging transformation. Herein, a photoredox radical–radical cross-coupling reaction between ketene dithioacetal as a persistent alkene radical cation and azole nitrogen center radical (NCR) was developed. This direct alkene amination proceeded through a synergistic photoredox and cobalt catalysis, with only H2evolution. The reaction showed excellent tolerance and highly regio- and stereospecific manner, expanding the scope of C(sp2)–N construction methods and radical cross-coupling modes.

Published
2024
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9. Photoredox-Catalyzed Alkene Amination: C(sp 2 )-H/N-H Radical-Radical Cross Dehydrogenative Coupling.

Author

Jin C, Ning C, Sui Y, Zhang B, Li X, Pan L, Liu Q, and Li Y

Abstract

Direct alkene C-H/N-H cross dehydrogenative coupling is an infrequent, highly challenging transformation. Herein, a photoredox radical-radical cross-coupling reaction between ketene dithioacetal as a persistent alkene radical cation and azole nitrogen center radical (NCR) was developed. This direct alkene amination proceeded through a synergistic photoredox and cobalt catalysis, with only H 2 evolution. The reaction showed excellent tolerance and highly regio- and stereospecific manner, expanding the scope of C(sp 2 )-N construction methods and radical cross-coupling modes.

Published
2024
Full Text
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