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- W2950843497 abstract "An efficient route to multisubstituted indoles has been developed through intramolecular oxidative C–H activation-amination of readily available 2-(het)aryl-3-(het)aryl/alkyl-3-(het)aryl/acylaminoacrylonitrile/enaminone precursors in the presence of either palladium acetate/cupric acetate catalytic system under oxygen atmosphere or palladium acetate/silver carbonate in the presence of pivalic acid as additive. The method is compatible with a diverse range of substituents on the aryl ring as well as at the 2- and 3-positions of the indole ring. The versatility of this method was further demonstrated by elaborating it for the synthesis of heterofused pyrroles such as thieno[2,3-b]pyrroles, thieno[3,2-b]pyrroles, pyrrolo[2,3-b]indoles, and pyrrolo[2,3-b]pyridines in good yields. Probable mechanisms for the formation of these indoles have been suggested." @default.
- W2950843497 created "2019-06-27" @default.
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- W2950843497 date "2016-07-01" @default.
- W2950843497 modified "2023-09-27" @default.
- W2950843497 title "ChemInform Abstract: Amine Directed Pd(II)-Catalyzed C-H Activation-Intramolecular Amination of N-Het(aryl)/Acyl Enaminonitriles and Enaminones: An Approach Towards Multisubstituted Indoles and Heterofused Pyrroles." @default.
- W2950843497 cites W2269259439 @default.
- W2950843497 doi "https://doi.org/10.1002/chin.201630145" @default.
- W2950843497 hasPublicationYear "2016" @default.
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