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pyrone

   Also found in: Wikipedia 0.01 sec.
pyrone [ˈpaɪrəʊn paɪˈrəʊn]
n
1. (Chemistry / Elements & Compounds) either of two heterocyclic compounds that have a ring containing five carbon atoms and one oxygen atom with two double bonds and a second oxygen atom attached to a carbon atom in either the ortho-position (alpha pyrone) or the para-position (gamma pyrone)
2. (Chemistry / Elements & Compounds) any one of a class of compounds that are substituted derivatives of a pyrone
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1) has a flavone nucleus composed of two benzene rings linked through a heterocyclic pyrone ring.
Daidzein causes cell cycle arrest at the G1 and G2/M phases in human ... by Choi, Eun Jeong; Kim, Gun-Hee / Phytomedicine: International Journal of Phytotherapy & Phytopharmacology
It is a member of a group of naturally occurring compounds, the flavonoids, which have a common flavone nucleus composed of two benzene rings, linked through a heterocyclic pyrone ring.
Ethnomedical and veterinary uses of Tephrosia vogelii Hook F ... by Dzenda, T.; Ayo, J.O.; Adelaiye, A.B.; Adaudi, A.O. / Australian Journal of Medical Herbalism
If I've understood the chemistry correctly, the most wonderful of watercolour shades, real gamboge yellow, a resin tapped from a tropical tree, is a solidified block of the pigment pyrone mangostin.
To dye for by guardian.co.uk / guardian.co.uk
 
 
 
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