CA Patent

CA3033180A1 — Pharmaceutical compositions containing substituted polycyclic pyridone derivatives and prodrug thereof

Assigned to Shionogi and Co Ltd · Expires 2018-02-15 · 8y expired

What this patent protects

The present invention provides a pharmaceutical composition containing the following compound, which has an antiviral action. (P is a hydrogen atom or a group that forms a prodrug; A1 is CR1AR1B, S, or O; A2 is CR2AR2B, S, or O; A3 is CR3AR3B, S, or O; A4 each independently are C…

USPTO Abstract

The present invention provides a pharmaceutical composition containing the following compound, which has an antiviral action. (P is a hydrogen atom or a group that forms a prodrug; A1 is CR1AR1B, S, or O; A2 is CR2AR2B, S, or O; A3 is CR3AR3B, S, or O; A4 each independently are CR4AR4B, S, or O; the number of heteroatoms of A1, A2, A3, A4, nitrogen atoms adjacent to A1, and ring constituent atoms of a ring configured from nitrogen atoms adjacent to A4 is 1 or 2; R1A and R1B each independently are hydrogen, halogen, alkyl, etc.; R2A and R2B each independently are hydrogen, halogen, alkyl, etc.; R3A and R3B each independently are hydrogen, halogen, alkyl, etc.; R4A and R4B each independently are hydrogen, halogen, alkyl, etc.; R3A and R3B together may form a non-aromatic carbocycle or non-aromatic heterocycle; R1 is a fluorine atom; m is an integer of 1-2; and n is an integer of 1-2)

Drugs covered by this patent

Patent Metadata

Patent number
CA3033180A1
Jurisdiction
CA
Classification
Expires
2018-02-15
Drug substance claim
No
Drug product claim
No
Assignee
Shionogi and Co Ltd
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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