Photo-induced tandem cyclization of unsaturated amides with thiocyanates to access thiocyanated heterocycles
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Y Zeng, Q Yan, L Tu, Z Zhang, L Li, Z Li
Chemical Communications, 2025
pubs.rsc.org
Photo-induced two-radical thiocyanation cyclization systems of N-acryloyl aldehyde hydrazones/unsaturated coumarins with thiocyanate were completed, efficiently producing diverse thiocyanated pyrazolones/polycyclic coumarins with good selectivity. Meanwhile, various control experiments (scaled-up operations, substituent transformations, and radical capture/light-on–off operations) explored the merits and the plausible cyclization process of the thiocyanation systems.
