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pyran
[pahy-ran, pahy-ran]
noun
either of two compounds having the formula C 5 H 6 O, containing one oxygen and five carbon atoms arranged in a six-membered ring.
pyran
/ ˈpaɪræn, paɪˈræn /
noun
an unsaturated heterocyclic compound having a ring containing five carbon atoms and one oxygen atom and two double bonds. It has two isomers depending on the position of the saturated carbon atom relative to the oxygen
pyran
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: C 5 H 6 O.
51Թ History and Origins
Origin of pyran1
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