Photoinduced radical cascade brominative addition/spirocyclization of N-arylpropiolamides and CBr4 with O2 as oxidant

Photoinduced radical cascade brominative addition/spirocyclization of N-arylpropiolamides and CBr4 with O2 as oxidant

A visible-light-induced brominated spirocyclization of N-arylpropiolamides and CBr4 for the synthesis of 3-bromo-azaspiro[4,5]trienones is reported here. This process allows the formation of C–Br, C–C, and C=O bonds in a single reaction via a cascade radical addition/ipso-cyclization/oxidative dearo...

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Bibliographic Details
Main Authors: Zheng-Wei Wu, Han-Han Kong, Yong Wei, Wen-Chao Zhou, Long Wang, Liang-Qiu Lu, Qing-Qing Yang
Format: Article
Language:English
Published: KeAi Communications Co. Ltd. 2025-05-01
Series:Green Synthesis and Catalysis
Subjects:
Visible light
Tetrabromomethane
Molecular oxygen
Photocatalyst- and additive-free
Azaspiro[4,5]trienones
Online Access:http://www.sciencedirect.com/science/article/pii/S2666554924000048
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