Origin of pyranpyr(one) + -an
Origin of pyranpyrone heterocyclic compound ( pyr(o)- ) ( -one ) -an 2
- Any of a class of compounds having a ring of five carbon atoms and one oxygen atom and two double bonds. The pyran ring structure forms part of many organic compounds, especially sugars.
- An unstable compound that is the simplest member of this class. Chemical formula: C5H6O.