Photocatalytic cascade alkylation/cyclization of N‐arylacrylamides with simple alkanes: a convenient approach to quaternary C3 alkylated oxindoles
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DOI: 10.1002/ajoc.202400554
Abstract: A convenient and efficient protocol for the synthesis of 3,3‐dialkylated oxindoles through photocatalytic aerobic radical‐cascade alkylation/cyclization of N‐arylacrylamides with the alkyl radicals generated from simple alkanes is described. This method features a broad substrate scope,… read more here.
Keywords: cyclization arylacrylamides; simple alkanes; alkylation cyclization; cascade alkylation ... See more keywords
Free Radical Cyclization of N-Arylacrylamides: Mild and Facile Synthesis of 3-Thiocyanato Oxindoles
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DOI: 10.1055/s-0036-1591927
Abstract: A novel and convenient oxidative radical cyclization of N-substituted N-arylacrylamides for the synthesis of 3-thiocyanated oxindoles has been developed by using AgSCN and K2S2O8 as the radical source. This process allows a consistent and convenient… read more here.
Keywords: radical cyclization; cyclization; free radical; cyclization arylacrylamides ... See more keywords
Photocatalytic radical arylation/cyclization of N-arylacrylamides to 3-benzyl oxindoles
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DOI: 10.71267/mencom.7798
Abstract: A photocatalytic tandem radical arylation/cyclization of N-arylacrylamides with diaryliodonium triflates at room temperature affords 3-(benzyl)oxindoles in moderate to good yields. The diaryliodonium triflates upon blue visible light irradiation in the presence of Ir(ppy)2(dtbbpy) · PF6… read more here.
Keywords: radical arylation; cyclization arylacrylamides; cyclization; benzyl oxindoles ... See more keywords