Estradiol prodrugs

US7534780B2 · kind B2 · utility

Assignee

• Bayer Schering Pharma AG · DE

Inventors

• Ralf Wyrwa · Kahla, DE
• Sven Ring · Jena, DE
• Peter Droescher · Weimar, DE
• Alexander Hillisch · Solingen, DE
• Walter Elger · Berlin, DE
• Birgitt Schneider · Jena, DE
• Gudrun Reddersen · Jena, DE

Key dates

• Filing date: May 20, 2005
• Grant date: May 19, 2009
• Expiry date: Nov 12, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07J1/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to estradiol prodrugs of general formula (I), in which group Z is bonded to the steroid,process for their production, pharmaceutical compositions that contain these compounds, as well as their use for the production of pharmaceutical agents with estrogenic action.