GB Patent

GB2581362A — Chemical synthesis

Assigned to Of Sunderland, University of · Expires 2020-08-19 · 6y expired

What this patent protects

A method of forming a compound of formula (X), the method comprising reducing a compound of formula (VI) to give a compound of formula (IX); reacting the compound of formula (IX) with an acid of formula HA to provide the compound of formula (X): wherein R1 is -CH2Ph; R2 is select…

USPTO Abstract

A method of forming a compound of formula (X), the method comprising reducing a compound of formula (VI) to give a compound of formula (IX); reacting the compound of formula (IX) with an acid of formula HA to provide the compound of formula (X): wherein R1 is -CH2Ph; R2 is selected from hydrogen, -C1-4-alkyl, -C2-4-alkyenyl and C1-4-alkyl-aryl; R3 is selected from ‑C(O)H and -C(O)C1-4-alkyl; and A is a pharmaceutically acceptable anion is provided. A method of forming a compound of formula (X) from a compound of formula (VI) wherein R1 is tert-butyl is also disclosed. A compound of formula (VI) wherein R1 is -CH2Ph; R2 is ethyl and R3 is C(O)CH3 is also disclosed.

Drugs covered by this patent

Patent Metadata

Patent number
GB2581362A
Jurisdiction
GB
Classification
—
Expires
2020-08-19
Drug substance claim
No
Drug product claim
No
Assignee
Of Sunderland, University of
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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