Ketotricyclo[5.2.1.0]decane derivatives

US5628988A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Michael Schwarz · Pocking, DE
• Ingeborg Stein · Langen (Hessen), DE
• Ulrich Heywang · Darmstadt, DE
• J urgen Eckstein · Roßdorf, DE

Key dates

• Filing date: Jan 26, 1996
• Grant date: May 13, 1997
• Expiry date: Jan 26, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C49/747
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to ketotricyclo[5.2.1.0]decane derivatives of the formula I ##STR1## wherein Phe is a phenyl group which is unsubstituted or substituted by 1 to 5 hydroxyl, alkyl or alkoxy groups having 1 to 10 C atoms, PA1 and their preparation and use as UV filters, in particular in cosmetic or pharmaceutical formulations.