首页|Photochemical Radical Cascade 6-endo Cyclization of Dienes with α-Carbonyl Bromides for the Synthesis of Six-Membered Benzo-Fused Lactams

Photochemical Radical Cascade 6-endo Cyclization of Dienes with α-Carbonyl Bromides for the Synthesis of Six-Membered Benzo-Fused Lactams

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A novel visible-light-induced radical cascade 6-endo cyclization of dienes(N-(2-vinylphenyl)acryl amides)is developed utilizingα-carbonyl bromides as alkyl reagents.This approach affords an efficient way for synthesizing six-membered benzo-fused lactam de-rivatives with chemo-and regio-selectivity and good functional group tolerance.Primary,secondary,and tertiary bromides are well-compatible with this cascade cyclization reaction.

Visible-light-induced reactionCyclizationTransition-metal-freeNitrogen heterocyclesα-Carbonyl bromidesLactamsAlkylationRadical reactionsReduction

Jia-Li Sui、Yang Guo、Bi-Quan Xiong、Ke-Wen Tang、Peng-Fei Huang、Yu Liu、Jin-Heng Li

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Department of Chemistry and Chemical Engineering,Hunan Institute of Science and Technology,Yueyang,Hunan 414006,China

State Key Laboratory Base of Eco-Chemical Engineering,College of Chemical Engineering,Qingdao University of Science and Technology,Qingdao,Shandong 266042,China

2024

中国化学(英文版)
中国化学会 上海有机化学研究所

中国化学(英文版)

CSTPCD
影响因子:0.848
ISSN:1001-604X
年,卷(期):2024.42(19)