Chemists at the University of Oklahoma have now unveiled a new strategy for expanding 5-membered aromatic rings that already contain a nitrogen, by slipping in an extra nitrogen atom as the ring ...

Photocatalytic reaction replaces nitrogen with oxygen in 5-membered aromatic rings by Brianna Barbu October 4, 2024 ...

The repeating unit consisted of a 19-membered ring structure. ... (AIBN) was recrystallized from methanol. 1,4-Dioxane was distilled over sodium under a nitrogen atmosphere.