Tert-butyl derivatives of benzylidenecamphor, process for preparing them, their use as antioxidant agents and cosmetic and pharmaceutical compositions containing them
US5000961A · kind A · utility
2Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1990 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | May 23, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C49/753
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to benzylidenecamphor derivatives of formula: ##STR1## where R is hydrogen or a tert-butyl residue, R.sub.1 is a C.sub.1 -C.sub.8 alkyl or alkoxy residue, and R.sub.2 and R.sub.3 denote hydrogen or hydroxyl, at least one of the two being hydroxyl, to a process for preparing them and to their uses as antioxidants, broad-band sunscreens and medicinal products for the preventive treatment of skin allergies and inflammations as well as for the prevention of certain cancers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.