Arylaminomethylenecamphor derivatives
US5932195A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1998 |
| Grant date | Aug 3, 1999 |
| Priority date | — |
| Expiry date | Jan 13, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Arylaminomethylenecamphor derivatives of the formula (1) ##STR1## where the C.dbd.C double bond is in the Z or E configuration, and the variables have the following meanings: PA1 R.sup.1 H, CH.sub.3, PA1 R.sup.2 H, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.3 -C.sub.8 -cycloalkenyl, aryl or substituted aryl, PA1 R.sup.3 H, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, aryl, substituted aryl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.8 -acyl, PA1 Ar aryl, substituted aryl, hetaryl or substituted hetaryl, are used as sunscreen agents, especially in cosmetic and pharmaceutical formulations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.