Description

Tropolone is a seven-carbon cyclic compound, also known as trophenol ketone, *-hydroxy heptanone, was weakly acidic, with the characteristics of aromatic compounds, double bond and weak keto-sex. In the natural world known compounds containing seven carbocyclic ring the following more than ten kinds:
1, hinokitiol (hinokitiol) as red iron complexes exist in Taiwan cypress wood.
2, α-and γ-side element (β-body and the same as hinokitiol) exists in cypress and coniferous plants. It is an antifungal substance to the wood as an antifungal substance of the plant of the genus.
3, α-and β-body in the Cypress essential oil is also present. as Penicillium metabolites formed, with antibacterial activity.
4, purpurin (purpurogallin) as a glucoside present in the fagaceae genus plants gall gall, can be used as a phenol oxidase test.
5. Nootkatin in the heartwood of Chau maecyparis nootkatensis, and colchicum as an inhibitory substance and its analogous colchicum.