4-Aryl-5,6,7,8-tetrahydropyrazolo(3,4-B)-(1,5)diazepine-1H,4H-5,7-diones and medicaments containing same

US4302468A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Gerhard Rackur · Idstein, DE
• Irmgard Hoffmann · Bad Soden am Taunus, DE

Key dates

• Filing date: Aug 12, 1980
• Grant date: Nov 24, 1981
• Expiry date: Aug 12, 2000

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D487/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compound of the general formula ##STR1## in which R.sub.1 and R.sub.2 are identical or different and represent hydrogen atoms or alkyl groups with 1-6 C atoms, it also being possible for one of the radicals R.sub.1 and R.sub.2 to be, in each case, a benzyl, trifluoromethyl or phenyl group, R.sub.3 denotes a hydrogen atom, an alkyl group which has 1-6 C atoms and is optionally substituted by an aryl group, an alkoxy group with 1-6 C atoms, a trifluoromethyl group, a dialkylamino group with 2-12 C atoms or a cycloalkyl group with 3-6 C atoms, an alkenyl or alkynyl group with 2-6 C atoms, a cycloalkyl group with 3-6 C atoms or a carbalkoxy group with 2-6 C atoms, R.sub.4 is a hydrogen atom and R.sub.5 can be a phenyl group, a phenyl group which is monosubstituted or disubstituted by methyl Cl, Br, F, nitro, cyano and or trifluoromethyl or a pyridyl group and medicaments containing same.