GB0229683D0 — Preparation of radiopharmaceuticals
Assigned to Hammersmith Imanet Ltd · Expires 2003-01-29 · 23y expired
What this patent protects
The invention relates to a process for the production of an 18F-labelled tracer which comprises treatment of a solid support-bound precursor of formula (I): SOLID SUPPORT-LINKER-I+-TRACER (I) Y- wherein the TRACER is of formula (A): or an amine protected derivative thereof, w…
USPTO Abstract
The invention relates to a process for the production of an 18F-labelled tracer which comprises treatment of a solid support-bound precursor of formula (I): SOLID SUPPORT-LINKER-I+-TRACER (I) Y- wherein the TRACER is of formula (A): or an amine protected derivative thereof, wherein Y- is an anion, preferably trifluoromethylsulphonate (triflate) anion; and R1 is either (i) a group CH-NP1AP2A in which P1A and P2A are each independently hydrogen or a protecting group, or (ii) a carbonyl group; with 18F- to produce the labelled tracer of formula (II) or an amine protected derivative thereof, wherein R1 is as defined for the compound of formula (I).
Drugs covered by this patent
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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