Century Dictionary and Cyclopedia
- n. A crystalline ketonic compound, C5H4O2, made by heating chelidonic acid. It melts at 32.5° C.
- n. organic chemistry Any of a class of cyclic chemical compounds that contain an unsaturated six-membered ring with two double bonds, one oxygen atom and a ketone functional group.
GNU Webster's 1913
- n. (Org. Chem.) An unsaturated cyclic compound, C5H4O2, of which two varieties are known, α and γ. γ-pyrone is the parent substance of several natural yellow dyestuffs.
- pyro- + -one (Wiktionary)
“V. 38 (5) P. 607 Pharmacological and radioprotective properties of some gamma-pyrone derivatives (flavonons and flavonols).”
“V. 38 (5) P. 607 - Pharmacological and radioprotective properties of some gamma-pyrone derivatives (flavonons and flavonols).”
“Investigations of biologically active compositions and anti-radiate means among the gamma-pyrone are perspective.”
“Hong HS, Rana S, Barrigan L, Shi A, Zhang Y, et al. (2009) Inhibition of Alzheimer's amyloid toxicity with a tricyclic pyrone molecule in vitro and in vivo.”
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