CuCl 2 ‐Catalyzed α ‐Chloroketonation of Aromatic Alkenes via Visible‐Light‐Induced LMCT

Here we report a copper‐catalyzed protocol for the synthesis of α ‐chloroketones from aromatic alkenes including electron‐deficient olefins under visible‐light irradiation. Preliminary mechanistic studies show that the peroxo Cu(II) species is the key intermediate and hydroperoxyl (HOO⋅) and chlorin...

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Published inChemistry, an Asian journal Vol. 18; no. 1; p. e202200954
Main Authors He, Xing‐Xian, Chang, Huan‐Huan, Zhao, Ying‐Xue, Li, Xiang‐Jie, Liu, Sheng‐An, Zang, Zhong‐Lin, Zhou, Cheng‐He, Cai, Gui‐Xin
Format Journal Article
LanguageEnglish
Published Germany 03.01.2023
Subjects
Alkenes
Catalysis
Copper
Light
CuCl2
LMCT
photocatalysis
aromatic alkenes
α-chloroketones
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ISSN1861-4728
1861-471X
DOI10.1002/asia.202200954

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Summary:Here we report a copper‐catalyzed protocol for the synthesis of α ‐chloroketones from aromatic alkenes including electron‐deficient olefins under visible‐light irradiation. Preliminary mechanistic studies show that the peroxo Cu(II) species is the key intermediate and hydroperoxyl (HOO⋅) and chlorine (Cl⋅) radicals can be generated by ligand‐to‐metal charge transfer (LMCT).
ISSN:1861-4728
1861-471X
DOI:10.1002/asia.202200954