Room temperature carbon(CO)-carbon(α) bond activation of ketones by rhodium(ii) porphyrins with water
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AbstractThe mild and selective aliphatic C(CO)-C(α) bond activation (CCA) of ketones was successfully achieved at room temperature using rhodium(ii) porphyrins in the presence of H2O. RhII(tmp) (tmp = tetrakismesitylporphyrinate dianion) disproportionates in H2O to generate the highly reactive intermediate RhIII(tmp)(OH) for cleaving the C-C bond of ketone, giving up to 90% of RhIII(tmp)(COR) and the corresponding oxidized carbonyl product in up to 76% yield within 10 min. Substrate scopes cover aliphatic as well as aromatic ketones. Both isopropyl and cyclic ketones worked well.
All Author(s) ListLee S.Y., Feng S., Chan K.S.
Journal nameDalton Transactions
Volume Number45
Issue Number8
PublisherRoyal Society of Chemistry
Place of PublicationUnited Kingdom
Pages3522 - 3527
LanguagesEnglish-United Kingdom

Last updated on 2021-10-09 at 23:55