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Catalytic Wacker‐type Oxidations Using Visible Light Photoredox Catalysis
Author(s) -
Ho Yee Ann,
Paffenholz Eva,
Kim Hyun Jin,
Orgis Benjamin,
Rueping Magnus,
Fabry David C.
Publication year - 2019
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201900271
Subject(s) - photoredox catalysis , catalysis , palladium , chemistry , photochemistry , homogeneous catalysis , homogeneous , visible spectrum , electron transfer , combinatorial chemistry , photocatalysis , organic chemistry , materials science , physics , optoelectronics , thermodynamics
A combined palladium/photoredox catalytic system for the efficient oxidation of terminal olefins to the corresponding methyl ketones is presented. The interplay of air, water, and light leads to a protocol in which the stoichiometric oxidants required for oxidative palladium catalysis are substituted with catalytic, single‐electron transfer processes. Detailed mechanistic investigations revealed the role of the key components, in situ generated species, and catalysts. A broad range of substrates was examined in homogeneous as well as heterogeneous photoredox protocols, delivering the desired products in good yields.