Estriol esters

US4738957A · kind A · utility

Assignee

• SCHERING CORPORATION · US

Inventors

• Henry Laurent
• Dieter Bittler · Berlin, DE
• Sybille Beier · Berlin, DE
• Walter Elger · Berlin, DE

Key dates

• Filing date: Mar 21, 1986
• Grant date: Apr 19, 1988
• Expiry date: Mar 21, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07J1/007
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Estriol esters of Formula I ##STR1## wherein R is, in each case, the residue of an aliphatic monocarboxylic acid of 3-10 carbon atoms, PA1 surpass estriol in strength and duration of estrogen activity.