Hydroxy pyranone derivative and preparation method thereof
US6916844B2 · kind B2 · utility
5Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2003 |
| Grant date | Jul 12, 2005 |
| Priority date | — |
| Expiry date | May 9, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D407/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides hydroxy pyranone derivatives and a method for preparing the hydroxy pyranone derivatives. The hydroxy pyranone derivatives of the present invention are significantly effective in promoting the biosynthesis of collagen and in inhibiting the activity of collagenase, i.e. an enzyme for decomposing collagen, to have anti-wrinkle efficacy, and can be incorporated into medicines or external applications for lessening skin-wrinkles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.