Abstract
Homolytic cycloaddition of butane-1,4-dithiol with alkynes offers a facile one-pot route to 8-membered 1,4-dithiocanes and 16-and 24-membered crown thioethers, 1,4,9,12-tetrathiacyclohexadecanes and 1,4,9,12,17,20-hexathiacyclotetracosanes.
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