DMSO/SOCl2-Enabled Synthesis of 3-Chloroindoles via Desulfonylative Chlorocyclization of N,N-Disubstituted 2-Alkynylanilines

X Li, Y Cheng, Y Li, F Sun, X Zhan, Z Yang… - The Journal of …, 2024 - ACS Publications
The application of the DMSO/SOCl2 system enabled the intramolecular
cyclization/chlorination of N, N-disubstituted 2-alkynylanilines, leading to the synthesis of a …

Riboflavin Photocatalyzed Dearomative Spiro-Etherification of Naphthols

N Bera, BS Lenka, B König… - The Journal of Organic …, 2023 - ACS Publications
The dearomative spiro-etherification of naphthols is achieved using catalytic amounts of
riboflavin tetracetate (RFTA) as a photosensitizer and molecular oxygen as a terminal …

Bischler–Napieralski Synthesis of 6-Alkynyl Phenanthridines Based on Tf2O-Promoted Electrophilic Activation of N-Aryl-2-propynamides

L Shan, H Li, L Min, Y Weng, X Wang… - The Journal of Organic …, 2021 - ACS Publications
An efficient method for the synthesis of 6-alkynyl phenanthridines was developed. The
method offered the first example to use 2-propynamides as substrates in the Bischler …