EP Patent

EP0232569A1 — 1-Benzyl-2-(N-substituted)-carbamoyl-tetrahydroisoquinolines and method for the preparation thereof

Assigned to Pharmachim TPO · Expires 1987-08-19 · 39y expired

What this patent protects

1-benzyl-2-(N-substituted)-carbamoyl-tetrahydroisoquinolines of the following formula: <CHEM> in which R1 and R2 are independently hydroxyl or methoxyl groups, R3 is hydrogen or a methoxyl group and R4 is a methyl or chloroethyl group have an inhibiting effect on beta-ade…

USPTO Abstract

1-benzyl-2-(N-substituted)-carbamoyl-tetrahydroisoquinolines of the following formula: <CHEM> in which R1 and R2 are independently hydroxyl or methoxyl groups, R3 is hydrogen or a methoxyl group and R4 is a methyl or chloroethyl group have an inhibiting effect on beta-adenylatecyclase. The compounds are prepared by reaction of the corresponding 2-unsubstituted tetrahydroisoquinoline with an isocyanate of formula R4-N=C=O.

Drugs covered by this patent

Patent Metadata

Patent number
EP0232569A1
Jurisdiction
EP
Classification
—
Expires
1987-08-19
Drug substance claim
No
Drug product claim
No
Assignee
Pharmachim TPO
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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