Methylene furanone derivatives and use of said derivatives as a photoprotecting or antioxidant or depigmentation agent in cosmetic or dermatological compositions
US8563548B2 · kind B2 · utility
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1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2009 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Jan 31, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/522
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to methylene furanone derivatives as well as the use thereof as a protective, antioxidant, or depigmentation agent in cosmetic or dermatological compositions. The invention also relates to a method for preparing said derivatives involving a Suzuki-Miyaura coupling reaction from corresponding dibromofuranone derivatives. The invention also relates to a method of preparation involving a coupling reaction of 2-methoxy-furan derivatives with a ketone followed by dehydration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.