Solid-phase preparation of [.sup.18F] fluorohaloalkanes
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United States of America Patent
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May 29, 2007
Grant Date -
Mar 30, 2006
app pub date -
Dec 19, 2003
filing date -
Dec 20, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process for the production of an [.sup.18F]fluorohaloalkane which comprises treatment of a solid support-bound precursor of formula (I): SOLID SUPPORT-LINKER-SO.sub.2--O--(CH.sub.2).sub.nX (I) wherein n is an integer of from (1) to (7) and X is chloro, bromo or iodo; with .sup.18F.sup.- to produce the [.sup.18F]fluorohaloalkane of formula (II) .sup.18F--(CH.sub.2).sub.n--X (II) wherein n and X are as defined for the compound of formula (I), optionally followed by (i) removal of excess .sup.18F.sup.-, for example by ion-exchange chromatography; and/or (ii) removal of organic solvent.
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