© 2015 The Royal Society of Chemistry. We synthetically demonstrate that eight-membered heterocycles, namely, 2,6,9-triazabicyclo[3.3.1]nonanes and 1,5-diazacyclooctanes, are the exclusive products of the reaction of ...

A number of 4- and 5-R-sulfanylfuran-2(5H)-one derivatives were synthesized, and their oxidation with various reagents was studied. The corresponding sulfones were obtained using hydrogen peroxide in acetic acid. 4-R-sulfanyl ...