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Last Updated: March 28, 2024

Details for Patent: 4,886,812


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Summary for Patent: 4,886,812
Title: Tetrahydro-benzthiazoles, the preparation thereof and their use as intermediate products or as pharmaceuticals
Abstract:This invention relates to new tetrahydrobenzthiazoles of general formula ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkyl group, an alkenyl or alkynyl group, an alkanoyl group, a phenyl alkyl or phenyl alkanoyl group, while the above mentioned phenyl nucleic may each be substituted by 1 or 2 halogen atoms, R.sub.2 represents a hydrogen atom or an alkyl group, R.sub.3 represents a hydrogen atom, an alkyl group a cycloalkyl group, an alkenyl or alkynyl group, an alkanoyl group, a phenyl alkyl or phenyl alkanoyl group, while the phenyl nucleus may be substituted by fluorine, chlorine or bromine atoms, R.sub.4 represents a hydrogen atom, an alkyl group, an alkyl or alkenyl group, or R.sub.3 and R.sub.4 together with the nitrogen atom between them represent a pyrrolidino, piperidino, hexamethyleneimino or morpholino group, the enantiomers and the acid addition salts thereof. The compounds of general formula I above in which one of the groups R.sub.1 or R.sub.3 or both groups R.sub.1 and R.sub.3 represent an acyl group are valuable intermediate products for preparing the other compounds of general formula I which have valuable pharmacological properties. The new compounds may be prepared using methods known per se.
Inventor(s): Griss, deceased; Gerhart (late of Biberach, DE), Schneider; Claus (Ingelheim am Rhein, DE), Hurnaus; Rudolf (Biberach, DE), Kobinger; Walter (Vienna, AT), Pichler; Ludwig (Vienna, AT), Bauer; Rudolf (Wiesbaden, DE), Mierau; Joachim (Mainz, DE), Hinzen; Dieter (Zornheim, DE), Schingnitz; Gunter (Bad Kreuznach, DE)
Assignee: Dr. Karl Thomae GmbH (Biberach an der Riss, DE)
Application Number:07/256,671
Patent Claim Types:
see list of patent claims
Compound; Use; Composition;

Drugs Protected by US Patent 4,886,812

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 4,886,812

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany34470751Dec 22, 1984
Germany3508947Mar 13, 1985

International Family Members for US Patent 4,886,812

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 45735 ⤷  Try a Trial
Australia 5154485 ⤷  Try a Trial
Australia 583874 ⤷  Try a Trial
Bulgaria 62023 ⤷  Try a Trial
Brazil 1100678 ⤷  Try a Trial
Canada 1263653 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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