thiopyrylium
Quick Summary
Thiopyrylium refers to positively charged ions that are part of a class of six-membered, aromatic, monocyclic compounds containing sulfur. These compounds are analogous to pyrylium cations, which contain oxygen instead of sulfur.1
Aromaticity in six-membered rings with a single heteroatom like sulfur is possible if the ring also contains a carbonyl group, as seen in pyrones. However, thiopyrylium specifically denotes the positively charged, aromatic form. These sulfur-containing heterocyclic compounds are part of the broader field of organosulfur chemistry.12
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