An efficient iron-promoted alkylation of indoles with enamides has been accomplished under mild reaction conditions. The reaction proceeded with remarkable regioselectivity leading exclusively to substitution by indoles at α-position of enamides.
Utilization of methanol and ethanol for 3,3′-bis(indolyl)methane synthesis through activation of peroxymonosulfate over a copper catalyst
作者:Arpita Devi、Mrinmoy Manash Bharali、Subir Biswas、Tonmoy J. Bora、Jayanta K. Nath、Seonghwan Lee、Young-Bin Park、Lakshi Saikia、Manash J. Baruah、Kusum K. Bania
DOI:10.1039/d3gc00440f
日期:——
Copper oxide–peroxymonosulfate is reported as a green catalyst for 3,3′-bis(indolyl)methane synthesis without the use of volatile acetaldehyde or formaldehyde.
Palladium catalyzed alkylation of indole via aliphatic C–H bond activation of tertiary amine
作者:K. Ramachandiran、D. Muralidharan、P.T. Perumal
DOI:10.1016/j.tetlet.2011.04.110
日期:2011.7
Alkylation of indoles has been achieved via Pd-catalyzed aliphatic C–H bond activation of tertiaryamine coupling with indole followed by C–N bond cleavage and subsequent addition of indole. This method involves the migration of alkane chain from tertiaryamine to indole.