AU Patent

AU2011263416B2 — Process for N-dealkylation of tertiary amines

Assigned to Rhodes Technologies Inc · Expires 2014-04-10 · 12y expired

What this patent protects

The present disclosure provides improved methods for N-dealkylation of tertiary amines, including methods for N-demethylation of alkaloids and opioids, in which the dealkylation reaction is carried out in a solvent comprising a tertiary alcohol. The present disclosure also provid…

USPTO Abstract

The present disclosure provides improved methods for N-dealkylation of tertiary amines, including methods for N-demethylation of alkaloids and opioids, in which the dealkylation reaction is carried out in a solvent comprising a tertiary alcohol. The present disclosure also provides improved processes for preparing semi-synthetic opioids that incorporate the disclosed methods for N-dealkylation of tertiary amines.

Drugs covered by this patent

Patent Metadata

Patent number
AU2011263416B2
Jurisdiction
AU
Classification
Expires
2014-04-10
Drug substance claim
No
Drug product claim
No
Assignee
Rhodes Technologies Inc
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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