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Photo‐catalyzed Stereospecific Synthesis of Trisubstituted Alkenes Incorporating 3,3‐Difluoro‐γ‐Lactams from Morita‐Baylis‐Hillman Acetates and N‐Allylbromodifluoroacetamides
Advanced Synthesis & Catalysis ( IF 4.4 ) Pub Date : 2024-11-01 , DOI: 10.1002/adsc.202401103
Jia-Yin Wang, Xi Chen, Chan Ai, Yu-Ting Wang, Hang-Dong Zuo, Jian-Wu Liu, Yue Zhang

A photocatalytic methodology has been devised for the stereoselective construction of trisubstituted alkenes incorporating 3,3‐difluoro‐γ‐lactams in 17‐93% yields via a radical cascade process utilizing MBH acetates and N‐allylbromodifluoroacetamides as starting materials. The reaction mechanism involves single‐electron transfer, 5‐exo‐trig cyclization, radical addition, and elimination in a cascade fashion.

中文翻译:


光催化三取代烯烃的立体特异性合成,其中掺入来自 Morita-Baylis-Hillman 乙酸酯和 N-烯丙基溴二氟乙酰胺的 3,3-二氟-γ-内酰胺



已经设计了一种光催化方法,用于立体选择性构建三取代烯烃,掺入 3,3-二氟-γ-内酰胺,通过自由基级联工艺,利用 MBH 乙酸盐和 N-烯丙基溴二氟乙酰胺作为起始材料,以 17-93% 的产率。反应机制包括单电子转移、5-exo-trig 环化、自由基加成和级联方式的消除。
更新日期:2024-11-01
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