1. Plural of pyran; organic compounds containing a six-membered ring with one oxygen atom and five carbon atoms, found in natural products and used in organic synthesis.
Usage: chemistry; technical

Examples

• Pyrans are important heterocyclic compounds in organic chemistry.
• The synthesis of pyrans is a common topic in advanced chemistry courses.
• Many natural products contain pyran ring structures.
• Researchers studied the reactivity of different pyrans in the laboratory.
• Pyrans serve as building blocks for the creation of more complex molecules.